diff --git a/erpnext/__init__.py b/erpnext/__init__.py
index ba5a8c1..a9aa5ae 100644
--- a/erpnext/__init__.py
+++ b/erpnext/__init__.py
@@ -5,7 +5,7 @@
 from erpnext.hooks import regional_overrides
 from frappe.utils import getdate
 
-__version__ = '10.1.67'
+__version__ = '10.1.68'
 
 def get_default_company(user=None):
 	'''Get default company for user'''
diff --git a/erpnext/accounts/report/financial_statements.py b/erpnext/accounts/report/financial_statements.py
index d030f5f..db733dd 100644
--- a/erpnext/accounts/report/financial_statements.py
+++ b/erpnext/accounts/report/financial_statements.py
@@ -1,7 +1,9 @@
+# -*- coding: utf-8 -*-
+
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-
+from __future__ import unicode_literals
 
 import re
 from past.builtins import cmp
@@ -342,7 +344,7 @@
 	accounts = frappe.db.sql_list("""select name from `tabAccount`
 		where lft >= %s and rgt <= %s""", (root_lft, root_rgt))
 	additional_conditions += " and account in ('{}')"\
-		.format("', '".join([frappe.safe_encode(frappe.db.escape(d)) for d in accounts]))
+		.format("', '".join([frappe.db.escape(d) for d in accounts]))
 
 	gl_entries = frappe.db.sql("""select posting_date, account, debit, credit, is_opening, fiscal_year, debit_in_account_currency, credit_in_account_currency, account_currency from `tabGL Entry`
 		where company=%(company)s
@@ -400,7 +402,6 @@
 
 def get_cost_centers_with_children(cost_centers):
 	if not isinstance(cost_centers, list):
-		cost_centers = frappe.safe_encode(cost_centers)
 		cost_centers = [d.strip() for d in cost_centers.strip().split(',') if d]
 
 	all_cost_centers = []
diff --git a/erpnext/assets/doctype/asset/asset.py b/erpnext/assets/doctype/asset/asset.py
index 6997776..a38b40b 100644
--- a/erpnext/assets/doctype/asset/asset.py
+++ b/erpnext/assets/doctype/asset/asset.py
@@ -85,8 +85,17 @@
 		elif not self.finance_books:
 			frappe.throw(_("Enter depreciation details"))
 
-		if self.available_for_use_date and getdate(self.available_for_use_date) < getdate(nowdate()):
-			frappe.throw(_("Available-for-use Date is entered as past date"))
+		if self.is_existing_asset:
+			return
+
+		date =  nowdate()
+		docname = self.purchase_receipt or self.purchase_invoice
+		if docname:
+			doctype = 'Purchase Receipt' if self.purchase_receipt else 'Purchase Invoice'
+			date = frappe.db.get_value(doctype, docname, 'posting_date')
+
+		if self.available_for_use_date and getdate(self.available_for_use_date) < getdate(date):
+			frappe.throw(_("Available-for-use Date should be after purchase date"))
 
 	def make_depreciation_schedule(self):
 		if self.depreciation_method != 'Manual':
diff --git a/erpnext/hub_node/api.py b/erpnext/hub_node/api.py
index 2356401..c236822 100644
--- a/erpnext/hub_node/api.py
+++ b/erpnext/hub_node/api.py
@@ -10,7 +10,6 @@
 from frappe import _
 from frappe.frappeclient import FrappeClient
 from frappe.desk.form.load import get_attachments
-from frappe.utils.file_manager import get_file_path
 from six import string_types
 
 current_user = frappe.session.user
diff --git a/erpnext/public/js/hub/PageContainer.vue b/erpnext/public/js/hub/PageContainer.vue
index 5ec92d5..a101eaf 100644
--- a/erpnext/public/js/hub/PageContainer.vue
+++ b/erpnext/public/js/hub/PageContainer.vue
@@ -1,6 +1,6 @@
 <template>
 	<div class="hub-page-container">
-		<component :is="current_page"></component>
+		<component :is="current_page.component" :key="current_page.key"></component>
 	</div>
 </template>
 
@@ -100,10 +100,16 @@
 			}
 
 			if (!route) {
-				return NotFound;
+				return {
+					key: 'not-found',
+					component: NotFound
+				};
 			}
 
-			return route_map[route];
+			return {
+				key: curr_route,
+				component: route_map[route]
+			}
 		}
 	}
 }
diff --git a/erpnext/public/js/hub/components/ReviewArea.vue b/erpnext/public/js/hub/components/ReviewArea.vue
index 51b9ab1..5e4e439 100644
--- a/erpnext/public/js/hub/components/ReviewArea.vue
+++ b/erpnext/public/js/hub/components/ReviewArea.vue
@@ -113,6 +113,10 @@
 				content: this.review_content.get_value()
 			});
 
+			if (!hub.is_seller_registered()) {
+				frappe.throw(__('You need to login as a Marketplace User before you can add any reviews.'));
+			}
+
 			hub.call('add_item_review', {
 				hub_item_name: this.hub_item_name,
 				review: JSON.stringify(review)
diff --git a/erpnext/public/js/hub/event_emitter.js b/erpnext/public/js/hub/event_emitter.js
deleted file mode 100644
index 1e72881..0000000
--- a/erpnext/public/js/hub/event_emitter.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * Simple EventEmitter which uses jQuery's event system
- */
-class EventEmitter {
-    init() {
-        this.jq = jQuery(this);
-    }
-
-    trigger(evt, data) {
-        !this.jq && this.init();
-        this.jq.trigger(evt, data);
-    }
-
-    once(evt, handler) {
-        !this.jq && this.init();
-        this.jq.one(evt, (e, data) => handler(data));
-    }
-
-    on(evt, handler) {
-        !this.jq && this.init();
-        this.jq.bind(evt, (e, data) => handler(data));
-    }
-
-    off(evt, handler) {
-        !this.jq && this.init();
-        this.jq.unbind(evt, (e, data) => handler(data));
-    }
-}
-
-
-export default EventEmitter;
\ No newline at end of file
diff --git a/erpnext/public/js/hub/marketplace.js b/erpnext/public/js/hub/marketplace.js
index 7ef87c4..a1596e0 100644
--- a/erpnext/public/js/hub/marketplace.js
+++ b/erpnext/public/js/hub/marketplace.js
@@ -8,14 +8,13 @@
 
 // helpers
 import './hub_call';
-import EventEmitter from './event_emitter';
 
 frappe.provide('hub');
 frappe.provide('erpnext.hub');
 frappe.provide('frappe.route');
 
-$.extend(erpnext.hub, EventEmitter.prototype);
-$.extend(frappe.route, EventEmitter.prototype);
+frappe.utils.make_event_emitter(frappe.route);
+frappe.utils.make_event_emitter(erpnext.hub);
 
 erpnext.hub.Marketplace = class Marketplace {
 	constructor({ parent }) {
diff --git a/erpnext/public/js/hub/pages/Item.vue b/erpnext/public/js/hub/pages/Item.vue
index 651533e..7735aa2 100644
--- a/erpnext/public/js/hub/pages/Item.vue
+++ b/erpnext/public/js/hub/pages/Item.vue
@@ -265,6 +265,9 @@
 		},
 
 		report_item() {
+			if (!hub.is_seller_registered()) {
+				frappe.throw(__('Please login as a Marketplace User to report this item.'));
+			}
 			this.report_item_dialog.show();
 		},
 
diff --git a/erpnext/stock/doctype/serial_no/serial_no.py b/erpnext/stock/doctype/serial_no/serial_no.py
index 598504a..2039a26 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.py
+++ b/erpnext/stock/doctype/serial_no/serial_no.py
@@ -85,9 +85,9 @@
 			self.purchase_date = purchase_sle.posting_date
 			self.purchase_time = purchase_sle.posting_time
 			self.purchase_rate = purchase_sle.incoming_rate
-			if purchase_sle.voucher_type == "Purchase Receipt":
+			if purchase_sle.voucher_type in ("Purchase Receipt", "Purchase Invoice"):
 				self.supplier, self.supplier_name = \
-					frappe.db.get_value("Purchase Receipt", purchase_sle.voucher_no,
+					frappe.db.get_value(purchase_sle.voucher_type, purchase_sle.voucher_no,
 						["supplier", "supplier_name"])
 
 			# If sales return entry
@@ -304,8 +304,8 @@
 
 	status = False
 	if sn.purchase_document_no:
-		if sle.voucher_type in ['Purchase Receipt', 'Stock Entry'] and \
-			sn.delivery_document_type not in ['Purchase Receipt', 'Stock Entry']:
+		if sle.voucher_type in ['Purchase Receipt', 'Stock Entry', "Purchase Invoice"] and \
+			sn.delivery_document_type not in ['Purchase Receipt', 'Stock Entry', "Purchase Invoice"]:
 			status = True
 
 		if status and sle.voucher_type == 'Stock Entry' and \