diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index e28c53d..9dcb285 100755
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -589,3 +589,4 @@
 erpnext.patches.v10_0.item_barcode_childtable_migrate # 16-02-2019
 erpnext.patches.v11_0.make_italian_localization_fields # 26-03-2019
 erpnext.patches.v11_1.make_job_card_time_logs
+erpnext.patches.v11_1.set_variant_based_on
\ No newline at end of file
diff --git a/erpnext/patches/v11_1/set_variant_based_on.py b/erpnext/patches/v11_1/set_variant_based_on.py
new file mode 100644
index 0000000..019eefd
--- /dev/null
+++ b/erpnext/patches/v11_1/set_variant_based_on.py
@@ -0,0 +1,11 @@
+# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	frappe.db.sql("""update tabItem set variant_based_on = 'Item Attribute'
+		where ifnull(variant_based_on, '') = ''
+		and (has_variants=1 or ifnull(variant_of, '') != '')
+	""")
\ No newline at end of file
diff --git a/erpnext/selling/page/point_of_sale/point_of_sale.js b/erpnext/selling/page/point_of_sale/point_of_sale.js
index c54430f..26cadae 100644
--- a/erpnext/selling/page/point_of_sale/point_of_sale.js
+++ b/erpnext/selling/page/point_of_sale/point_of_sale.js
@@ -446,16 +446,15 @@
 	}
 
 	setup_company() {
-		this.company = frappe.sys_defaults.company;
 		return new Promise(resolve => {
-			if(!this.company) {
+			if(!frappe.sys_defaults.company) {
 				frappe.prompt({fieldname:"company", options: "Company", fieldtype:"Link",
 					label: __("Select Company"), reqd: 1}, (data) => {
 						this.company = data.company;
 						resolve(this.company);
 				}, __("Select Company"));
 			} else {
-				resolve(this.company);
+				resolve();
 			}
 		})
 	}
@@ -509,7 +508,9 @@
 	}
 
 	set_pos_profile_data() {
-		this.frm.doc.company = this.company;
+		if (this.company) {
+			this.frm.doc.company = this.company;
+		}
 
 		return new Promise(resolve => {
 			return this.frm.call({
diff --git a/erpnext/setup/doctype/item_group/item_group.py b/erpnext/setup/doctype/item_group/item_group.py
index e1e1b44..7118a15 100644
--- a/erpnext/setup/doctype/item_group/item_group.py
+++ b/erpnext/setup/doctype/item_group/item_group.py
@@ -12,7 +12,6 @@
 from frappe.website.doctype.website_slideshow.website_slideshow import get_slideshow
 from erpnext.shopping_cart.product_info import set_product_info_for_website
 from erpnext.utilities.product import get_qty_in_stock
-from frappe.utils.html_utils import clean_html
 
 class ItemGroup(NestedSet, WebsiteGenerator):
 	nsm_parent_field = 'parent_item_group'
@@ -27,7 +26,6 @@
 
 	def validate(self):
 		super(ItemGroup, self).validate()
-		self.description = clean_html(self.description)
 		self.make_route()
 
 	def on_update(self):
diff --git a/erpnext/stock/doctype/item/item.json b/erpnext/stock/doctype/item/item.json
index 58c9077..2d9f6e9 100644
--- a/erpnext/stock/doctype/item/item.json
+++ b/erpnext/stock/doctype/item/item.json
@@ -23,6 +23,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "name_and_description_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -57,6 +58,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "naming_series", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -91,6 +93,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "item_code", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -127,6 +130,7 @@
    "columns": 0, 
    "depends_on": "variant_of", 
    "description": "If item is a variant of another item then description, image, pricing, taxes etc will be set from the template unless explicitly specified", 
+   "fetch_if_empty": 0, 
    "fieldname": "variant_of", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -160,6 +164,7 @@
    "bold": 1, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "item_name", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -195,6 +200,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "item_group", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -230,6 +236,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "is_item_from_hub", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -263,6 +270,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "stock_uom", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -298,6 +306,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break0", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -329,6 +338,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "disabled", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -361,6 +371,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "allow_alternative_item", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -395,6 +406,7 @@
    "columns": 0, 
    "default": "1", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "is_stock_item", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -431,6 +443,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "1", 
+   "fetch_if_empty": 0, 
    "fieldname": "include_item_in_manufacturing", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -464,6 +477,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:(doc.__islocal&&doc.is_stock_item && !doc.has_serial_no && !doc.has_batch_no)", 
+   "fetch_if_empty": 0, 
    "fieldname": "opening_stock", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -497,6 +511,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "valuation_rate", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -530,6 +545,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:doc.__islocal", 
+   "fetch_if_empty": 0, 
    "fieldname": "standard_rate", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -562,6 +578,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "is_fixed_asset", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -595,6 +612,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "is_fixed_asset", 
+   "fetch_if_empty": 0, 
    "fieldname": "asset_category", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -629,6 +647,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "is_fixed_asset", 
+   "fetch_if_empty": 0, 
    "fieldname": "asset_naming_series", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -663,6 +682,7 @@
    "columns": 0, 
    "depends_on": "eval:!doc.__islocal", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "tolerance", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -697,6 +717,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "image", 
    "fieldtype": "Attach Image", 
    "hidden": 1, 
@@ -730,6 +751,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "section_break_11", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -762,6 +784,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "brand", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -797,6 +820,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "description", 
    "fieldtype": "Text Editor", 
    "hidden": 0, 
@@ -831,6 +855,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "sb_barcodes", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -863,6 +888,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "barcodes", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -898,6 +924,7 @@
    "collapsible_depends_on": "is_stock_item", 
    "columns": 0, 
    "depends_on": "is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "inventory_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -932,6 +959,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "shelf_life_in_days", 
    "fieldtype": "Int", 
    "hidden": 0, 
@@ -966,6 +994,7 @@
    "columns": 0, 
    "default": "2099-12-31", 
    "depends_on": "is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "end_of_life", 
    "fieldtype": "Date", 
    "hidden": 0, 
@@ -1001,6 +1030,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "Purchase", 
+   "fetch_if_empty": 0, 
    "fieldname": "default_material_request_type", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -1035,6 +1065,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "valuation_method", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -1069,6 +1100,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break1", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -1103,6 +1135,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:doc.is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "warranty_period", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -1139,6 +1172,7 @@
    "columns": 0, 
    "depends_on": "is_stock_item", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "weight_per_unit", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -1172,6 +1206,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:doc.is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "weight_uom", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -1207,6 +1242,7 @@
    "columns": 0, 
    "depends_on": "is_stock_item", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "reorder_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1242,6 +1278,7 @@
    "columns": 0, 
    "depends_on": "", 
    "description": "Will also apply for variants unless overrridden", 
+   "fetch_if_empty": 0, 
    "fieldname": "reorder_levels", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -1276,6 +1313,7 @@
    "collapsible": 1, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "unit_of_measure_conversion", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1310,6 +1348,7 @@
    "columns": 0, 
    "depends_on": "", 
    "description": "Will also apply for variants", 
+   "fetch_if_empty": 0, 
    "fieldname": "uoms", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -1347,6 +1386,7 @@
    "collapsible_depends_on": "eval:doc.has_batch_no || doc.has_serial_no || doc.is_fixed_asset", 
    "columns": 0, 
    "depends_on": "eval:doc.is_stock_item || doc.is_fixed_asset", 
+   "fetch_if_empty": 0, 
    "fieldname": "serial_nos_and_batches", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1381,6 +1421,7 @@
    "columns": 0, 
    "default": "", 
    "depends_on": "eval:doc.is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "has_batch_no", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1418,6 +1459,7 @@
    "columns": 0, 
    "depends_on": "has_batch_no", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "create_new_batch", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1452,6 +1494,7 @@
    "columns": 0, 
    "depends_on": "eval:doc.has_batch_no==1 && doc.create_new_batch==1", 
    "description": "Example: ABCD.#####. If series is set and Batch No is not mentioned in transactions,then automatic batch number will be created based on this series. If you always want to explicitly mention Batch No for this item,leave this blank. Note: this setting will take priority over the Naming Series Prefix in Stock Settings.", 
+   "fetch_if_empty": 0, 
    "fieldname": "batch_number_series", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -1485,6 +1528,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "has_batch_no", 
+   "fetch_if_empty": 0, 
    "fieldname": "has_expiry_date", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1518,6 +1562,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "has_batch_no", 
+   "fetch_if_empty": 0, 
    "fieldname": "retain_sample", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1552,6 +1597,7 @@
    "columns": 0, 
    "depends_on": "eval: (doc.retain_sample && doc.has_batch_no)", 
    "description": "Maximum sample quantity that can be retained", 
+   "fetch_if_empty": 0, 
    "fieldname": "sample_quantity", 
    "fieldtype": "Int", 
    "hidden": 0, 
@@ -1584,6 +1630,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_37", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -1618,6 +1665,7 @@
    "default": "", 
    "depends_on": "eval:doc.is_stock_item || doc.is_fixed_asset", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "has_serial_no", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1655,6 +1703,7 @@
    "columns": 0, 
    "depends_on": "eval:doc.is_stock_item || doc.is_fixed_asset", 
    "description": "Example: ABCD.#####\nIf series is set and Serial No is not mentioned in transactions,then automatic serial number will be created based on this series. If you always want to explicitly mention Serial Nos for this item. leave this blank.", 
+   "fetch_if_empty": 0, 
    "fieldname": "serial_no_series", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -1689,6 +1738,7 @@
    "collapsible_depends_on": "attributes", 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "variants_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1724,6 +1774,7 @@
    "default": "0", 
    "depends_on": "eval:!doc.variant_of", 
    "description": "If this item has variants,then it cannot be selected in sales orders etc.", 
+   "fetch_if_empty": 0, 
    "fieldname": "has_variants", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1759,6 +1810,7 @@
    "columns": 0, 
    "default": "Item Attribute", 
    "depends_on": "has_variants", 
+   "fetch_if_empty": 0, 
    "fieldname": "variant_based_on", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -1781,7 +1833,7 @@
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
-   "set_only_once": 1, 
+   "set_only_once": 0, 
    "translatable": 0, 
    "unique": 0
   }, 
@@ -1793,6 +1845,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:(doc.has_variants || doc.variant_of) && doc.variant_based_on==='Item Attribute'", 
+   "fetch_if_empty": 0, 
    "fieldname": "attributes", 
    "fieldtype": "Table", 
    "hidden": 1, 
@@ -1826,6 +1879,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "defaults", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1858,6 +1912,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "item_defaults", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -1891,6 +1946,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "purchase_details", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1926,6 +1982,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "1", 
+   "fetch_if_empty": 0, 
    "fieldname": "is_purchase_item", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -1958,6 +2015,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "purchase_uom", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -1994,6 +2052,7 @@
    "default": "0.00", 
    "depends_on": "is_stock_item", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "min_order_qty", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -2028,6 +2087,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "safety_stock", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -2060,6 +2120,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "purchase_details_cb", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2094,6 +2155,7 @@
    "columns": 0, 
    "depends_on": "", 
    "description": "Average time taken by the supplier to deliver", 
+   "fetch_if_empty": 0, 
    "fieldname": "lead_time_days", 
    "fieldtype": "Int", 
    "hidden": 0, 
@@ -2129,6 +2191,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "last_purchase_rate", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -2164,6 +2227,7 @@
    "collapsible": 1, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "supplier_details", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2196,6 +2260,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "delivered_by_supplier", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -2229,6 +2294,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "manufacturer", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2263,6 +2329,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "manufacturer_part_no", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -2296,6 +2363,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break2", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2331,6 +2399,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "supplier_items", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -2364,6 +2433,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "foreign_trade_details", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2396,6 +2466,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "country_of_origin", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2429,6 +2500,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_59", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2460,6 +2532,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "customs_tariff_number", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2493,6 +2566,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "sales_details", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2527,6 +2601,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "sales_uom", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2561,6 +2636,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "1", 
+   "fetch_if_empty": 0, 
    "fieldname": "is_sales_item", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -2594,6 +2670,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break3", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2629,6 +2706,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "max_discount", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -2663,6 +2741,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "deferred_revenue", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2696,6 +2775,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "enable_deferred_revenue", 
+   "fetch_if_empty": 0, 
    "fieldname": "deferred_revenue_account", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2729,6 +2809,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "enable_deferred_revenue", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -2761,6 +2842,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_85", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2793,6 +2875,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "enable_deferred_revenue", 
+   "fetch_if_empty": 0, 
    "fieldname": "no_of_months", 
    "fieldtype": "Int", 
    "hidden": 0, 
@@ -2825,6 +2908,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "deferred_expense_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2858,6 +2942,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "enable_deferred_expense", 
+   "fetch_if_empty": 0, 
    "fieldname": "deferred_expense_account", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2891,6 +2976,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "enable_deferred_expense", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -2923,6 +3009,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_88", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2955,6 +3042,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "enable_deferred_expense", 
+   "fetch_if_empty": 0, 
    "fieldname": "no_of_months_exp", 
    "fieldtype": "Int", 
    "hidden": 0, 
@@ -2987,6 +3075,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "customer_details", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -3021,6 +3110,7 @@
    "columns": 0, 
    "depends_on": "", 
    "description": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "customer_items", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -3054,6 +3144,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "item_tax_section_break", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -3089,6 +3180,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "description": "Will also apply for variants", 
+   "fetch_if_empty": 0, 
    "fieldname": "taxes", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -3124,6 +3216,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "inspection_criteria", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -3159,6 +3252,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "inspection_required_before_purchase", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -3194,6 +3288,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "inspection_required_before_delivery", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -3227,6 +3322,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:(doc.inspection_required_before_purchase || doc.inspection_required_before_delivery)", 
+   "fetch_if_empty": 0, 
    "fieldname": "quality_inspection_template", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -3261,6 +3357,7 @@
    "collapsible": 1, 
    "columns": 0, 
    "depends_on": "is_stock_item", 
+   "fetch_if_empty": 0, 
    "fieldname": "manufacturing", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -3296,6 +3393,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "", 
+   "fetch_if_empty": 0, 
    "fieldname": "default_bom", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -3333,6 +3431,7 @@
    "columns": 0, 
    "default": "", 
    "description": "If subcontracted to a vendor", 
+   "fetch_if_empty": 0, 
    "fieldname": "is_sub_contracted_item", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -3368,6 +3467,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_74", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -3399,6 +3499,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "customer_code", 
    "fieldtype": "Data", 
    "hidden": 1, 
@@ -3431,6 +3532,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "website_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -3465,6 +3567,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:!doc.variant_of", 
+   "fetch_if_empty": 0, 
    "fieldname": "show_in_website", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -3498,6 +3601,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "variant_of", 
+   "fetch_if_empty": 0, 
    "fieldname": "show_variant_in_website", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -3531,6 +3635,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
+   "fetch_if_empty": 0, 
    "fieldname": "route", 
    "fieldtype": "Small Text", 
    "hidden": 0, 
@@ -3565,6 +3670,7 @@
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
    "description": "Items with higher weightage will be shown higher", 
+   "fetch_if_empty": 0, 
    "fieldname": "weightage", 
    "fieldtype": "Int", 
    "hidden": 0, 
@@ -3599,6 +3705,7 @@
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
    "description": "Show a slideshow at the top of the page", 
+   "fetch_if_empty": 0, 
    "fieldname": "slideshow", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -3634,6 +3741,7 @@
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
    "description": "Item Image (if not slideshow)", 
+   "fetch_if_empty": 0, 
    "fieldname": "website_image", 
    "fieldtype": "Attach", 
    "hidden": 0, 
@@ -3667,6 +3775,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "thumbnail", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -3699,6 +3808,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "cb72", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -3732,6 +3842,7 @@
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
    "description": "Show \"In Stock\" or \"Not in Stock\" based on stock available in this warehouse.", 
+   "fetch_if_empty": 0, 
    "fieldname": "website_warehouse", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -3767,6 +3878,7 @@
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
    "description": "List this Item in multiple groups on the website.", 
+   "fetch_if_empty": 0, 
    "fieldname": "website_item_groups", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -3802,6 +3914,7 @@
    "collapsible_depends_on": "website_specifications", 
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
+   "fetch_if_empty": 0, 
    "fieldname": "sb72", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -3835,6 +3948,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
+   "fetch_if_empty": 0, 
    "fieldname": "copy_from_item_group", 
    "fieldtype": "Button", 
    "hidden": 0, 
@@ -3868,6 +3982,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
+   "fetch_if_empty": 0, 
    "fieldname": "website_specifications", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -3902,6 +4017,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval: doc.show_in_website || doc.show_variant_in_website", 
+   "fetch_if_empty": 0, 
    "fieldname": "web_long_description", 
    "fieldtype": "Text Editor", 
    "hidden": 0, 
@@ -3934,6 +4050,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "total_projected_qty", 
    "fieldtype": "Float", 
    "hidden": 1, 
@@ -3967,6 +4084,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "depends_on": "eval:(!doc.is_item_from_hub)", 
+   "fetch_if_empty": 0, 
    "fieldname": "hub_publishing_sb", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -4001,6 +4119,7 @@
    "columns": 0, 
    "default": "0", 
    "description": "Publish Item to hub.erpnext.com", 
+   "fetch_if_empty": 0, 
    "fieldname": "publish_in_hub", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -4033,6 +4152,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "hub_category_to_publish", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -4067,6 +4187,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "description": "Publish \"In Stock\" or \"Not in Stock\" on Hub based on stock available in this warehouse.", 
+   "fetch_if_empty": 0, 
    "fieldname": "hub_warehouse", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -4101,6 +4222,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "0", 
+   "fetch_if_empty": 0, 
    "fieldname": "synced_with_hub", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -4139,7 +4261,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 1, 
- "modified": "2019-02-16 17:43:56.039611", 
+ "modified": "2019-04-05 12:03:24.530849", 
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Item", 
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index 66f8b09..8761f4e 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -117,6 +117,7 @@
 		self.validate_stock_exists_for_template_item()
 		self.validate_attributes()
 		self.validate_variant_attributes()
+		self.validate_variant_based_on_change()
 		self.validate_website_image()
 		self.make_thumbnail()
 		self.validate_fixed_asset()
@@ -723,6 +724,11 @@
 					frappe.throw(
 						_('Cannot change Attributes after stock transaction. Make a new Item and transfer stock to the new Item'))
 
+	def validate_variant_based_on_change(self):
+		if self.variant_of or (self.has_variants and frappe.get_all("Item", {"variant_of": self.name})):
+			if self.variant_based_on != frappe.db.get_value("Item", self.name, "variant_based_on"):
+				frappe.throw(_("Variant Based On cannot be changed"))
+
 	def validate_uom(self):
 		if not self.get("__islocal"):
 			check_stock_uom_with_bin(self.name, self.stock_uom)
@@ -743,10 +749,13 @@
 					d.conversion_factor = value
 
 	def validate_attributes(self):
+		if not (self.has_variants or self.variant_of):
+			return
+
 		if not self.variant_based_on:
 			self.variant_based_on = 'Item Attribute'
 
-		if (self.has_variants or self.variant_of) and self.variant_based_on == 'Item Attribute':
+		if self.variant_based_on == 'Item Attribute':
 			attributes = []
 			if not self.attributes:
 				frappe.throw(_("Attribute table is mandatory"))
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index 7f0e670..8b81972 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -606,28 +606,39 @@
 
 @frappe.whitelist()
 def get_pos_profile(company, pos_profile=None, user=None):
-	if pos_profile:
-		return frappe.get_cached_doc('POS Profile', pos_profile)
+	if pos_profile: return frappe.get_cached_doc('POS Profile', pos_profile)
 
 	if not user:
 		user = frappe.session['user']
 
+	condition = "pfu.user = %(user)s AND pfu.default=1"
+	if user and company:
+		condition = "pfu.user = %(user)s AND pf.company = %(company)s AND pfu.default=1"
+
 	pos_profile = frappe.db.sql("""SELECT pf.*
 		FROM
 			`tabPOS Profile` pf LEFT JOIN `tabPOS Profile User` pfu
 		ON
 				pf.name = pfu.parent
 		WHERE
-			(
-				(pfu.user = %(user)s AND pf.company = %(company)s AND pfu.default=1)
-				OR (pfu.user = %(user)s AND pfu.default=1)
-				OR (ifnull(pfu.user, '') = '' AND pf.company = %(company)s)
-			) AND pf.disabled = 0
-	""", {
+			{cond} AND pf.disabled = 0
+	""".format(cond = condition), {
 		'user': user,
 		'company': company
 	}, as_dict=1)
 
+	if not pos_profile and company:
+		pos_profile = frappe.db.sql("""SELECT pf.*
+			FROM
+				`tabPOS Profile` pf LEFT JOIN `tabPOS Profile User` pfu
+			ON
+					pf.name = pfu.parent
+			WHERE
+				pf.company = %(company)s AND pf.disabled = 0
+		""", {
+			'company': company
+		}, as_dict=1)
+
 	return pos_profile and pos_profile[0] or None
 
 def get_serial_nos_by_fifo(args, sales_order=None):