fix: merge conflicts
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index e2e84c4..7d31942 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -101,6 +101,7 @@
 		self.add_default_uom_in_conversion_factor_table()
 		self.validate_conversion_factor()
 		self.validate_item_type()
+		self.validate_naming_series()
 		self.check_for_active_boms()
 		self.fill_customer_code()
 		self.check_item_tax()
@@ -186,7 +187,7 @@
 					or frappe.db.get_single_value('Stock Settings', 'default_warehouse'))
 			if default_warehouse:
 				warehouse_company = frappe.db.get_value("Warehouse", default_warehouse, "company")
-			
+
 			if not default_warehouse or warehouse_company != default.company:
 				default_warehouse = frappe.db.get_value('Warehouse',
 					{'warehouse_name': _('Stores'), 'company': default.company})
@@ -522,6 +523,13 @@
 		if self.has_serial_no == 0 and self.serial_no_series:
 			self.serial_no_series = None
 
+	def validate_naming_series(self):
+		for field in ["serial_no_series", "batch_number_series"]:
+			series = self.get(field)
+			if series and "#" in series and "." not in series:
+				frappe.throw(_("Invalid naming series (. missing) for {0}")
+					.format(frappe.bold(self.meta.get_field(field).label)))
+
 	def check_for_active_boms(self):
 		if self.default_bom:
 			bom_item = frappe.db.get_value("BOM", self.default_bom, "item")
@@ -1007,8 +1015,6 @@
 		order by pr.posting_date desc, pr.posting_time desc, pr.name desc
 		limit 1""", (item_code, cstr(doc_name)), as_dict=1)
 
-	
-	
 	purchase_order_date = getdate(last_purchase_order and last_purchase_order[0].transaction_date
 							   or "1900-01-01")
 	purchase_receipt_date = getdate(last_purchase_receipt and
@@ -1016,7 +1022,7 @@
 
 	if last_purchase_order and (purchase_order_date >= purchase_receipt_date or not last_purchase_receipt):
 		# use purchase order
-		
+
 		last_purchase = last_purchase_order[0]
 		purchase_date = purchase_order_date
 
@@ -1036,7 +1042,7 @@
 		"discount_percentage": flt(last_purchase.discount_percentage),
 		"purchase_date": purchase_date
 	})
-	
+
 
 	conversion_rate = flt(conversion_rate) or 1.0
 	out.update({
diff --git a/erpnext/stock/doctype/material_request/material_request.js b/erpnext/stock/doctype/material_request/material_request.js
index 6b26d38..6110ea8 100644
--- a/erpnext/stock/doctype/material_request/material_request.js
+++ b/erpnext/stock/doctype/material_request/material_request.js
@@ -19,11 +19,6 @@
 		frm.set_indicator_formatter('item_code',
 			function(doc) { return (doc.qty<=doc.ordered_qty) ? "green" : "orange"; });
 
-		frm.set_query("item_code", "items", function() {
-			return {
-				query: "erpnext.controllers.queries.item_query"
-			};
-		});
 	},
 
 	onload: function(frm) {
@@ -145,7 +140,8 @@
 	},
 
 	get_item_data: function(frm, item) {
-		if (!item.item_code) return;
+		if (item && !item.item_code) { return; }
+
 		frm.call({
 			method: "erpnext.stock.get_item_details.get_item_details",
 			child: item,
@@ -360,6 +356,22 @@
 		set_schedule_date(this.frm);
 	},
 
+	onload: function(doc, cdt, cdn) {
+		this.frm.set_query("item_code", "items", function() {
+			if (doc.material_request_type == "Customer Provided") {
+				return{
+					query: "erpnext.controllers.queries.item_query",
+					filters:{ 'customer': me.frm.doc.customer }
+				}
+			} else if (doc.material_request_type != "Manufacture") {
+				return{
+					query: "erpnext.controllers.queries.item_query",
+					filters: {'is_purchase_item': 1}
+				}
+			}
+		});
+	},
+
 	items_add: function(doc, cdt, cdn) {
 		var row = frappe.get_doc(cdt, cdn);
 		if(doc.schedule_date) {
diff --git a/erpnext/stock/doctype/material_request/test_material_request.py b/erpnext/stock/doctype/material_request/test_material_request.py
index 79cdc1a..b925aed 100644
--- a/erpnext/stock/doctype/material_request/test_material_request.py
+++ b/erpnext/stock/doctype/material_request/test_material_request.py
@@ -276,8 +276,8 @@
 		current_requested_qty_item1 = self._get_requested_qty("_Test Item Home Desktop 100", "_Test Warehouse - _TC")
 		current_requested_qty_item2 = self._get_requested_qty("_Test Item Home Desktop 200", "_Test Warehouse - _TC")
 
-		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 + 54.0)
-		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 + 3.0)
+		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 - 54.0)
+		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 - 3.0)
 
 		from erpnext.stock.doctype.material_request.material_request import make_stock_entry
 
@@ -331,8 +331,8 @@
 		current_requested_qty_item1 = self._get_requested_qty("_Test Item Home Desktop 100", "_Test Warehouse - _TC")
 		current_requested_qty_item2 = self._get_requested_qty("_Test Item Home Desktop 200", "_Test Warehouse - _TC")
 
-		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 + 27.0)
-		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 + 1.5)
+		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 - 27.0)
+		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 - 1.5)
 
 		# check if per complete is as expected for Stock Entry cancelled
 		se.cancel()
@@ -344,8 +344,8 @@
 		current_requested_qty_item1 = self._get_requested_qty("_Test Item Home Desktop 100", "_Test Warehouse - _TC")
 		current_requested_qty_item2 = self._get_requested_qty("_Test Item Home Desktop 200", "_Test Warehouse - _TC")
 
-		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 + 54.0)
-		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 + 3.0)
+		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 - 54.0)
+		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 - 3.0)
 
 	def test_completed_qty_for_over_transfer(self):
 		existing_requested_qty_item1 = self._get_requested_qty("_Test Item Home Desktop 100", "_Test Warehouse - _TC")
@@ -425,8 +425,8 @@
 		current_requested_qty_item1 = self._get_requested_qty("_Test Item Home Desktop 100", "_Test Warehouse - _TC")
 		current_requested_qty_item2 = self._get_requested_qty("_Test Item Home Desktop 200", "_Test Warehouse - _TC")
 
-		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 + 54.0)
-		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 + 3.0)
+		self.assertEqual(current_requested_qty_item1, existing_requested_qty_item1 - 54.0)
+		self.assertEqual(current_requested_qty_item2, existing_requested_qty_item2 - 3.0)
 
 	def test_incorrect_mapping_of_stock_entry(self):
 		# submit material request of type Transfer
@@ -512,7 +512,7 @@
 		mr.submit()
 
 		#testing bin value after material request is submitted
-		self.assertEqual(_get_requested_qty(), existing_requested_qty + 54.0)
+		self.assertEqual(_get_requested_qty(), existing_requested_qty - 54.0)
 
 		# receive items to allow issue
 		self._insert_stock_entry(60, 6, "_Test Warehouse - _TC")
@@ -609,6 +609,8 @@
 	def test_customer_provided_parts_mr(self):
 		from erpnext.stock.doctype.material_request.material_request import make_stock_entry
 		create_item('CUST-0987', is_customer_provided_item = 1, customer = '_Test Customer', is_purchase_item = 0)
+		existing_requested_qty = self._get_requested_qty("_Test Customer", "_Test Warehouse - _TC")
+
 		mr = make_material_request(item_code='CUST-0987', material_request_type='Customer Provided')
 		se = make_stock_entry(mr.name)
 		se.insert()
@@ -617,7 +619,10 @@
 		self.assertEqual(se.get("items")[0].material_request, mr.name)
 		mr = frappe.get_doc("Material Request", mr.name)
 		mr.submit()
+		current_requested_qty = self._get_requested_qty("_Test Customer", "_Test Warehouse - _TC")
+
 		self.assertEqual(mr.per_ordered, 100)
+		self.assertEqual(existing_requested_qty, current_requested_qty)
 
 def make_material_request(**args):
 	args = frappe._dict(args)
diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json
index 35446ec..e38bb38 100755
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json
@@ -47,6 +47,7 @@
   "is_subcontracted",
   "supplier_warehouse",
   "items_section",
+  "scan_barcode",
   "items",
   "pricing_rule_details",
   "pricing_rules",
@@ -1070,13 +1071,18 @@
    "label": "Inter Company Reference",
    "options": "Delivery Note",
    "read_only": 1
+  },
+  {
+   "fieldname": "scan_barcode",
+   "fieldtype": "Data",
+   "label": "Scan Barcode"
   }
  ],
  "icon": "fa fa-truck",
  "idx": 261,
  "is_submittable": 1,
  "links": [],
- "modified": "2019-12-30 19:12:49.709711",
+ "modified": "2020-04-06 16:31:37.444891",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Purchase Receipt",
diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
index 3b43690..c2b3892 100644
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
@@ -50,8 +50,8 @@
 			'target_field': 'received_qty',
 			'target_parent_dt': 'Material Request',
 			'target_parent_field': 'per_received',
-			'target_ref_field': 'qty',
-			'source_field': 'qty',
+			'target_ref_field': 'stock_qty',
+			'source_field': 'stock_qty',
 			'percent_join_field': 'material_request'
 		}]
 		if cint(self.is_return):
@@ -357,7 +357,7 @@
 		if warehouse_with_no_account:
 			frappe.msgprint(_("No accounting entries for the following warehouses") + ": \n" +
 				"\n".join(warehouse_with_no_account))
-		
+
 		return process_gl_map(gl_entries)
 
 	def get_asset_gl_entry(self, gl_entries):
@@ -628,7 +628,7 @@
 
 	if not landed_cost_vouchers:
 		return
-	
+
 	item_account_wise_cost = {}
 
 	for lcv in landed_cost_vouchers:
diff --git a/erpnext/stock/doctype/stock_settings/stock_settings.json b/erpnext/stock/doctype/stock_settings/stock_settings.json
index f43390f..c9a3527 100644
--- a/erpnext/stock/doctype/stock_settings/stock_settings.json
+++ b/erpnext/stock/doctype/stock_settings/stock_settings.json
@@ -1,955 +1,238 @@
 {
- "allow_copy": 0,
- "allow_events_in_timeline": 0,
- "allow_guest_to_view": 0,
- "allow_import": 0,
- "allow_rename": 0,
- "autoname": "",
- "beta": 0,
+ "actions": [],
  "creation": "2013-06-24 16:37:54",
- "custom": 0,
  "description": "Settings",
- "docstatus": 0,
  "doctype": "DocType",
- "editable_grid": 0,
+ "engine": "InnoDB",
+ "field_order": [
+  "item_naming_by",
+  "item_group",
+  "stock_uom",
+  "default_warehouse",
+  "sample_retention_warehouse",
+  "column_break_4",
+  "valuation_method",
+  "over_delivery_receipt_allowance",
+  "action_if_quality_inspection_is_not_submitted",
+  "show_barcode_field",
+  "clean_description_html",
+  "section_break_7",
+  "auto_insert_price_list_rate_if_missing",
+  "allow_negative_stock",
+  "column_break_10",
+  "automatically_set_serial_nos_based_on_fifo",
+  "set_qty_in_transactions_based_on_serial_no_input",
+  "auto_material_request",
+  "auto_indent",
+  "reorder_email_notify",
+  "inter_warehouse_transfer_settings_section",
+  "allow_from_dn",
+  "allow_from_pr",
+  "freeze_stock_entries",
+  "stock_frozen_upto",
+  "stock_frozen_upto_days",
+  "stock_auth_role",
+  "batch_id_sb",
+  "use_naming_series",
+  "naming_series_prefix"
+ ],
  "fields": [
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
    "default": "Item Code",
-   "fetch_if_empty": 0,
    "fieldname": "item_naming_by",
    "fieldtype": "Select",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
    "in_list_view": 1,
-   "in_standard_filter": 0,
    "label": "Item Naming By",
-   "length": 0,
-   "no_copy": 0,
-   "options": "Item Code\nNaming Series",
-   "permlevel": 0,
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "options": "Item Code\nNaming Series"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
-   "description": "",
-   "fetch_if_empty": 0,
    "fieldname": "item_group",
    "fieldtype": "Link",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
    "in_list_view": 1,
-   "in_standard_filter": 0,
    "label": "Default Item Group",
-   "length": 0,
-   "no_copy": 0,
-   "options": "Item Group",
-   "permlevel": 0,
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "options": "Item Group"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
-   "fetch_if_empty": 0,
    "fieldname": "stock_uom",
    "fieldtype": "Link",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
    "in_list_view": 1,
-   "in_standard_filter": 0,
    "label": "Default Stock UOM",
-   "length": 0,
-   "no_copy": 0,
-   "options": "UOM",
-   "permlevel": 0,
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "options": "UOM"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
-   "fetch_if_empty": 0,
    "fieldname": "default_warehouse",
    "fieldtype": "Link",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
    "label": "Default Warehouse",
-   "length": 0,
-   "no_copy": 0,
-   "options": "Warehouse",
-   "permlevel": 0,
-   "precision": "",
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "options": "Warehouse"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
-   "fetch_if_empty": 0,
    "fieldname": "sample_retention_warehouse",
    "fieldtype": "Link",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
    "label": "Sample Retention Warehouse",
-   "length": 0,
-   "no_copy": 0,
-   "options": "Warehouse",
-   "permlevel": 0,
-   "precision": "",
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "options": "Warehouse"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
-   "fetch_if_empty": 0,
    "fieldname": "column_break_4",
-   "fieldtype": "Column Break",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
-   "length": 0,
-   "no_copy": 0,
-   "permlevel": 0,
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "fieldtype": "Column Break"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
-   "fetch_if_empty": 0,
    "fieldname": "valuation_method",
    "fieldtype": "Select",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
    "label": "Default Valuation Method",
-   "length": 0,
-   "no_copy": 0,
-   "options": "FIFO\nMoving Average",
-   "permlevel": 0,
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "options": "FIFO\nMoving Average"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
    "description": "Percentage you are allowed to receive or deliver more against the quantity ordered. For example: If you have ordered 100 units. and your Allowance is 10% then you are allowed to receive 110 units.",
-   "fetch_if_empty": 0,
    "fieldname": "over_delivery_receipt_allowance",
    "fieldtype": "Float",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
-   "label": "Over Delivery/Receipt Allowance (%)",
-   "length": 0,
-   "no_copy": 0,
-   "permlevel": 0,
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "label": "Over Delivery/Receipt Allowance (%)"
   },
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
    "default": "Stop",
-   "fetch_if_empty": 0,
    "fieldname": "action_if_quality_inspection_is_not_submitted",
    "fieldtype": "Select",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
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+   "fieldtype": "Section Break"
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   {
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+   "default": "0",
    "fieldname": "auto_insert_price_list_rate_if_missing",
    "fieldtype": "Check",
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+   "label": "Auto insert Price List rate if missing"
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+   "default": "0",
    "fieldname": "allow_negative_stock",
    "fieldtype": "Check",
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+   "label": "Allow Negative Stock"
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+   "fieldtype": "Column Break"
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   {
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+   "label": "Automatically Set Serial Nos based on FIFO"
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   {
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+   "label": "Set Qty in Transactions based on Serial No Input"
   },
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+   "label": "Auto Material Request"
   },
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+   "default": "0",
    "fieldname": "auto_indent",
    "fieldtype": "Check",
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+   "label": "Raise Material Request when stock reaches re-order level"
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+   "default": "0",
    "fieldname": "reorder_email_notify",
    "fieldtype": "Check",
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+   "label": "Freeze Stock Entries"
   },
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-   "allow_on_submit": 0,
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    "fieldname": "stock_frozen_upto",
    "fieldtype": "Date",
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+   "label": "Stock Frozen Upto"
   },
   {
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-   "bold": 0,
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    "fieldname": "stock_frozen_upto_days",
    "fieldtype": "Int",
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+   "label": "Freeze Stocks Older Than [Days]"
   },
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    "fieldtype": "Link",
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-   "in_standard_filter": 0,
    "label": "Role Allowed to edit frozen stock",
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+   "options": "Role"
   },
   {
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-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
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    "fieldname": "batch_id_sb",
    "fieldtype": "Section Break",
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+   "label": "Batch Identification"
   },
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-   "bold": 0,
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    "default": "0",
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    "fieldname": "use_naming_series",
    "fieldtype": "Check",
-   "hidden": 0,
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-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
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-   "in_standard_filter": 0,
-   "label": "Use Naming Series",
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-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "label": "Use Naming Series"
   },
   {
-   "allow_bulk_edit": 0,
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-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
    "default": "BATCH-",
    "depends_on": "eval:doc.use_naming_series==1",
-   "fetch_if_empty": 0,
    "fieldname": "naming_series_prefix",
    "fieldtype": "Data",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
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-   "in_filter": 0,
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-   "label": "Naming Series Prefix",
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-   "no_copy": 0,
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-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
+   "label": "Naming Series Prefix"
+  },
+  {
+   "fieldname": "inter_warehouse_transfer_settings_section",
+   "fieldtype": "Section Break",
+   "label": "Inter Warehouse Transfer Settings"
+  },
+  {
+   "default": "0",
+   "fieldname": "allow_from_dn",
+   "fieldtype": "Check",
+   "label": "Allow Material Transfer From Delivery Note and Sales Invoice"
+  },
+  {
+   "default": "0",
+   "fieldname": "allow_from_pr",
+   "fieldtype": "Check",
+   "label": "Allow Material Transfer From Purchase Receipt and Purchase Invoice"
   }
  ],
- "has_web_view": 0,
- "hide_heading": 0,
- "hide_toolbar": 0,
  "icon": "icon-cog",
  "idx": 1,
- "image_view": 0,
- "in_create": 0,
- "is_submittable": 0,
  "issingle": 1,
- "istable": 0,
- "max_attachments": 0,
- "modified": "2019-07-04 01:19:07.738045",
+ "links": [],
+ "modified": "2020-04-01 18:11:25.417678",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Settings",
  "owner": "Administrator",
  "permissions": [
   {
-   "amend": 0,
-   "cancel": 0,
    "create": 1,
-   "delete": 0,
    "email": 1,
-   "export": 0,
-   "if_owner": 0,
-   "import": 0,
-   "permlevel": 0,
    "print": 1,
    "read": 1,
-   "report": 0,
    "role": "Stock Manager",
-   "set_user_permissions": 0,
    "share": 1,
-   "submit": 0,
    "write": 1
   }
  ],
  "quick_entry": 1,
- "read_only": 0,
- "read_only_onload": 0,
- "show_name_in_global_search": 0,
- "sort_order": "ASC",
- "track_changes": 0,
- "track_seen": 0,
- "track_views": 0
+ "sort_field": "modified",
+ "sort_order": "ASC"
 }
\ No newline at end of file
diff --git a/erpnext/stock/doctype/stock_settings/stock_settings.py b/erpnext/stock/doctype/stock_settings/stock_settings.py
index 93b5eee..4c7828b 100644
--- a/erpnext/stock/doctype/stock_settings/stock_settings.py
+++ b/erpnext/stock/doctype/stock_settings/stock_settings.py
@@ -8,6 +8,8 @@
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils.html_utils import clean_html
+from frappe.utils import cint
+from frappe.custom.doctype.property_setter.property_setter import make_property_setter
 
 class StockSettings(Document):
 	def validate(self):
@@ -61,6 +63,15 @@
 			# changed to text
 			frappe.enqueue('erpnext.stock.doctype.stock_settings.stock_settings.clean_all_descriptions', now=frappe.flags.in_test)
 
+	def on_update(self):
+		self.toggle_warehouse_field_for_inter_warehouse_transfer()
+
+	def toggle_warehouse_field_for_inter_warehouse_transfer(self):
+		make_property_setter("Sales Invoice Item", "target_warehouse", "hidden", 1 - cint(self.allow_from_dn), "Check")
+		make_property_setter("Delivery Note Item", "target_warehouse", "hidden", 1 - cint(self.allow_from_dn), "Check")
+		make_property_setter("Purchase Invoice Item", "from_warehouse", "hidden", 1 - cint(self.allow_from_pr), "Check")
+		make_property_setter("Purchase Receipt Item", "from_warehouse", "hidden", 1 - cint(self.allow_from_pr), "Check")
+
 
 def clean_all_descriptions():
 	for item in frappe.get_all('Item', ['name', 'description']):
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index 53964f2..b1bfc90 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -240,26 +240,13 @@
 	item_group_defaults = get_item_group_defaults(item.name, args.company)
 	brand_defaults = get_brand_defaults(item.name, args.company)
 
-	if overwrite_warehouse or not args.warehouse:
-		warehouse = (
-			args.get("set_warehouse") or
-			item_defaults.get("default_warehouse") or
-			item_group_defaults.get("default_warehouse") or
-			brand_defaults.get("default_warehouse") or
-			args.warehouse
-		)
+	defaults = frappe._dict({
+		'item_defaults': item_defaults,
+		'item_group_defaults': item_group_defaults,
+		'brand_defaults': brand_defaults
+	})
 
-		if not warehouse:
-			defaults = frappe.defaults.get_defaults() or {}
-			warehouse_exists = frappe.db.exists("Warehouse", {
-				'name': defaults.default_warehouse,
-				'company': args.company
-			})
-			if defaults.get("default_warehouse") and warehouse_exists:
-				warehouse = defaults.default_warehouse
-
-	else:
-		warehouse = args.warehouse
+	warehouse = get_item_warehouse(item, args, overwrite_warehouse, defaults)
 
 	if args.get('doctype') == "Material Request" and not args.get('material_request_type'):
 		args['material_request_type'] = frappe.db.get_value('Material Request',
@@ -272,7 +259,7 @@
 		expense_account = get_asset_category_account(fieldname = "fixed_asset_account", item = args.item_code, company= args.company)
 
 	#Set the UOM to the Default Sales UOM or Default Purchase UOM if configured in the Item Master
-	if not args.uom:
+	if not args.get('uom'):
 		if args.get('doctype') in sales_doctypes:
 			args.uom = item.sales_uom if item.sales_uom else item.stock_uom
 		elif (args.get('doctype') in ['Purchase Order', 'Purchase Receipt', 'Purchase Invoice']) or \
@@ -292,7 +279,7 @@
 		"cost_center": get_default_cost_center(args, item_defaults, item_group_defaults, brand_defaults),
 		'has_serial_no': item.has_serial_no,
 		'has_batch_no': item.has_batch_no,
-		"batch_no": None,
+		"batch_no": args.get("batch_no"),
 		"uom": args.uom,
 		"min_order_qty": flt(item.min_order_qty) if args.doctype == "Material Request" else "",
 		"qty": flt(args.qty) or 1.0,
@@ -362,6 +349,37 @@
 
 	return out
 
+def get_item_warehouse(item, args, overwrite_warehouse, defaults={}):
+	if not defaults:
+		defaults = frappe._dict({
+			'item_defaults' : get_item_defaults(item.name, args.company),
+			'item_group_defaults' : get_item_group_defaults(item.name, args.company),
+			'brand_defaults' : get_brand_defaults(item.name, args.company)
+		})
+
+	if overwrite_warehouse or not args.warehouse:
+		warehouse = (
+			args.get("set_warehouse") or
+			defaults.item_defaults.get("default_warehouse") or
+			defaults.item_group_defaults.get("default_warehouse") or
+			defaults.brand_defaults.get("default_warehouse") or
+			args.get('warehouse')
+		)
+
+		if not warehouse:
+			defaults = frappe.defaults.get_defaults() or {}
+			warehouse_exists = frappe.db.exists("Warehouse", {
+				'name': defaults.default_warehouse,
+				'company': args.company
+			})
+			if defaults.get("default_warehouse") and warehouse_exists:
+				warehouse = defaults.default_warehouse
+
+	else:
+		warehouse = args.get('warehouse')
+
+	return warehouse
+
 def update_barcode_value(out):
 	from erpnext.accounts.doctype.sales_invoice.pos import get_barcode_data
 	barcode_data = get_barcode_data([out])
diff --git a/erpnext/stock/stock_balance.py b/erpnext/stock/stock_balance.py
index e5dc6b1..2bdb04e 100644
--- a/erpnext/stock/stock_balance.py
+++ b/erpnext/stock/stock_balance.py
@@ -113,13 +113,24 @@
 	return flt(reserved_qty[0][0]) if reserved_qty else 0
 
 def get_indented_qty(item_code, warehouse):
-	indented_qty = frappe.db.sql("""select sum((mr_item.qty - mr_item.ordered_qty) * mr_item.conversion_factor)
+	inward_qty = frappe.db.sql("""select sum((mr_item.qty - mr_item.ordered_qty) * mr_item.conversion_factor)
+			from `tabMaterial Request Item` mr_item, `tabMaterial Request` mr
+			where mr_item.item_code=%s and mr_item.warehouse=%s
+			and mr.material_request_type in ('Purchase', 'Manufacture')
+			and mr_item.qty > mr_item.ordered_qty and mr_item.parent=mr.name
+			and mr.status!='Stopped' and mr.docstatus=1""", (item_code, warehouse))
+
+	outward_qty = frappe.db.sql("""select sum((mr_item.qty - mr_item.ordered_qty) * mr_item.conversion_factor)
 		from `tabMaterial Request Item` mr_item, `tabMaterial Request` mr
 		where mr_item.item_code=%s and mr_item.warehouse=%s
+		and mr.material_request_type in ('Material Issue', 'Material Transfer')
 		and mr_item.qty > mr_item.ordered_qty and mr_item.parent=mr.name
 		and mr.status!='Stopped' and mr.docstatus=1""", (item_code, warehouse))
 
-	return flt(indented_qty[0][0]) if indented_qty else 0
+	inward_qty, outward_qty = flt(inward_qty[0][0]) if inward_qty else 0, flt(outward_qty[0][0]) if outward_qty else 0
+	indented_qty = inward_qty - outward_qty
+
+	return indented_qty
 
 def get_ordered_qty(item_code, warehouse):
 	ordered_qty = frappe.db.sql("""
@@ -145,9 +156,9 @@
 	from erpnext.stock.utils import get_bin
 	bin = get_bin(item_code, warehouse)
 	mismatch = False
-	for fld, val in qty_dict.items():
-		if flt(bin.get(fld)) != flt(val):
-			bin.set(fld, flt(val))
+	for field, value in qty_dict.items():
+		if flt(bin.get(field)) != flt(value):
+			bin.set(field, flt(value))
 			mismatch = True
 
 	if mismatch:
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index b100f45..7567a1a 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -428,7 +428,7 @@
 				frappe.get_desk_link(self.exceptions[0]["voucher_type"], self.exceptions[0]["voucher_no"]))
 
 		if self.verbose:
-			frappe.throw(msg, NegativeStockError, title='Insufficent Stock')
+			frappe.throw(msg, NegativeStockError, title='Insufficient Stock')
 		else:
 			raise NegativeStockError(msg)