diff --git a/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py b/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py
index 7f51b139de4..00311c4f66d 100644
--- a/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py
+++ b/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py
@@ -108,7 +108,7 @@ def build_forest(data):
 	error_messages = []
 
 	for i in data:
-		account_name, _, account_number, is_group, account_type, root_type = i
+		account_name, __, account_number, is_group, account_type, root_type = i
 
 		if not account_name:
 			error_messages.append("Row {0}: Please enter Account Name".format(line_no))
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 5abe7366d0f..c17927a35c0 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -19,6 +19,7 @@ from erpnext.accounts.doctype.pricing_rule.utils import (apply_pricing_rule_on_t
 from erpnext.exceptions import InvalidCurrency
 from six import text_type
 from erpnext.accounts.doctype.accounting_dimension.accounting_dimension import get_accounting_dimensions
+from erpnext.stock.get_item_details import get_item_warehouse
 
 force_item_fields = ("item_group", "brand", "stock_uom", "is_fixed_asset", "item_tax_rate", "pricing_rules")
 
@@ -1126,16 +1127,16 @@ def set_sales_order_defaults(parent_doctype, parent_doctype_name, child_docname,
 	"""
 	Returns a Sales Order Item child item containing the default values
 	"""
-	p_doctype = frappe.get_doc(parent_doctype, parent_doctype_name)
-	child_item = frappe.new_doc('Sales Order Item', p_doctype, child_docname)
+	p_doc = frappe.get_doc(parent_doctype, parent_doctype_name)
+	child_item = frappe.new_doc('Sales Order Item', p_doc, child_docname)
 	item = frappe.get_doc("Item", item_code)
 	child_item.item_code = item.item_code
 	child_item.item_name = item.item_name
 	child_item.description = item.description
-	child_item.reqd_by_date = p_doctype.delivery_date
+	child_item.reqd_by_date = p_doc.delivery_date
 	child_item.uom = item.stock_uom
 	child_item.conversion_factor = get_conversion_factor(item_code, item.stock_uom).get("conversion_factor") or 1.0
-	child_item.warehouse = p_doctype.set_warehouse or p_doctype.items[0].warehouse
+	child_item.warehouse = get_item_warehouse(item, p_doc, overwrite_warehouse=True)
 	return child_item
 
 
@@ -1143,13 +1144,13 @@ def set_purchase_order_defaults(parent_doctype, parent_doctype_name, child_docna
 	"""
 	Returns a Purchase Order Item child item containing the default values
 	"""
-	p_doctype = frappe.get_doc(parent_doctype, parent_doctype_name)
-	child_item = frappe.new_doc('Purchase Order Item', p_doctype, child_docname)
+	p_doc = frappe.get_doc(parent_doctype, parent_doctype_name)
+	child_item = frappe.new_doc('Purchase Order Item', p_doc, child_docname)
 	item = frappe.get_doc("Item", item_code)
 	child_item.item_code = item.item_code
 	child_item.item_name = item.item_name
 	child_item.description = item.description
-	child_item.schedule_date = p_doctype.schedule_date
+	child_item.schedule_date = p_doc.schedule_date
 	child_item.uom = item.stock_uom
 	child_item.conversion_factor = get_conversion_factor(item_code, item.stock_uom).get("conversion_factor") or 1.0
 	child_item.base_rate = 1 # Initiallize value will update in parent validation
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index de4c89c5ace..20a77834726 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -627,10 +627,11 @@ erpnext.patches.v12_0.update_ewaybill_field_position
 erpnext.patches.v12_0.create_accounting_dimensions_in_missing_doctypes
 erpnext.patches.v11_1.set_status_for_material_request_type_manufacture
 erpnext.patches.v12_0.move_plaid_settings_to_doctype
-execute:frappe.reload_doc('desk', 'doctype','dashboard_chart_link')
-execute:frappe.reload_doc('desk', 'doctype','dashboard')
-execute:frappe.reload_doc('desk', 'doctype','dashboard_chart_source')
-execute:frappe.reload_doc('desk', 'doctype','dashboard_chart')
+execute:frappe.reload_doc('desk', 'doctype', 'dashboard_chart_link')
+execute:frappe.reload_doc('desk', 'doctype', 'dashboard')
+execute:frappe.reload_doc('desk', 'doctype', 'dashboard_chart_source')
+execute:frappe.reload_doc('desk', 'doctype', 'dashboard_chart')
+execute:frappe.reload_doc('desk', 'doctype', 'dashboard_chart_field')
 erpnext.patches.v12_0.add_default_dashboards
 erpnext.patches.v12_0.remove_bank_remittance_custom_fields
 erpnext.patches.v12_0.generate_leave_ledger_entries
@@ -651,3 +652,4 @@ erpnext.patches.v12_0.add_export_type_field_in_party_master
 erpnext.patches.v12_0.rename_bank_reconciliation_fields # 2020-01-22
 erpnext.patches.v12_0.create_irs_1099_field_united_states
 erpnext.patches.v12_0.set_permission_einvoicing
+erpnext.patches.v12_0.set_received_qty_in_material_request_as_per_stock_uom
\ No newline at end of file
diff --git a/erpnext/patches/v12_0/set_received_qty_in_material_request_as_per_stock_uom.py b/erpnext/patches/v12_0/set_received_qty_in_material_request_as_per_stock_uom.py
new file mode 100644
index 00000000000..88c3e2e3024
--- /dev/null
+++ b/erpnext/patches/v12_0/set_received_qty_in_material_request_as_per_stock_uom.py
@@ -0,0 +1,30 @@
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	purchase_receipts = frappe.db.sql("""
+		SELECT
+			 parent from `tabPurchase Receipt Item`
+		WHERE
+			material_request is not null
+			AND docstatus=1
+		""",as_dict=1)
+
+	purchase_receipts = set([d.parent for d in purchase_receipts])
+
+	for pr in purchase_receipts:
+		doc = frappe.get_doc("Purchase Receipt", pr)
+		doc.status_updater = [
+			{
+			'source_dt': 'Purchase Receipt Item',
+			'target_dt': 'Material Request Item',
+			'join_field': 'material_request_item',
+			'target_field': 'received_qty',
+			'target_parent_dt': 'Material Request',
+			'target_parent_field': 'per_received',
+			'target_ref_field': 'stock_qty',
+			'source_field': 'stock_qty',
+			'percent_join_field': 'material_request'
+			}
+		]
+		doc.update_qty()
diff --git a/erpnext/public/js/education/lms/quiz.js b/erpnext/public/js/education/lms/quiz.js
index 52481291e02..91cbbf4d662 100644
--- a/erpnext/public/js/education/lms/quiz.js
+++ b/erpnext/public/js/education/lms/quiz.js
@@ -29,7 +29,7 @@ class Quiz {
 			this.questions.push(question)
 			this.wrapper.appendChild(question_wrapper);
 		})
-		if (data.activity.is_complete) {
+		if (data.activity && data.activity.is_complete) {
 			this.disable()
 			let indicator = 'red'
 			let message = 'Your are not allowed to attempt the quiz again.'
diff --git a/erpnext/public/js/utils.js b/erpnext/public/js/utils.js
index 98986f8bf1b..0a352648304 100755
--- a/erpnext/public/js/utils.js
+++ b/erpnext/public/js/utils.js
@@ -453,7 +453,8 @@ erpnext.utils.update_child_items = function(opts) {
 				fields: [{
 					fieldtype:'Data',
 					fieldname:"docname",
-					hidden: 0,
+					read_only: 1,
+					hidden: 1,
 				}, {
 					fieldtype:'Link',
 					fieldname:"item_code",
diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
index fb123b9c1fa..f21c4ef8593 100644
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
@@ -49,8 +49,8 @@ class PurchaseReceipt(BuyingController):
 			'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):
@@ -349,7 +349,7 @@ class PurchaseReceipt(BuyingController):
 		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):
@@ -616,7 +616,7 @@ def get_item_account_wise_additional_cost(purchase_document):
 
 	if not landed_cost_vouchers:
 		return
-	
+
 	item_account_wise_cost = {}
 
 	for lcv in landed_cost_vouchers:
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index b76a9b064a6..d15a2597386 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -239,26 +239,13 @@ def get_basic_details(args, item, overwrite_warehouse=True):
 	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
-		)
-
-		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
+	defaults = frappe._dict({
+		'item_defaults': item_defaults,
+		'item_group_defaults': item_group_defaults,
+		'brand_defaults': brand_defaults
+	})
+	
+	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',
@@ -271,7 +258,7 @@ def get_basic_details(args, item, overwrite_warehouse=True):
 		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 \
@@ -360,6 +347,37 @@ def get_basic_details(args, item, overwrite_warehouse=True):
 
 	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/www/lms/content.html b/erpnext/www/lms/content.html
index 5607c0814d4..cdc71412c48 100644
--- a/erpnext/www/lms/content.html
+++ b/erpnext/www/lms/content.html
@@ -63,7 +63,7 @@
 		</a>
 	</div>
 	<div>
-		<h1>{{ content.name }} <span class="small text-muted">({{ position + 1 }}/{{length}})</span></h1>
+		<h2>{{ content.name }} <span class="small text-muted">({{ position + 1 }}/{{length}})</span></h2>
 	</div>
 {% endmacro %}