diff --git a/erpnext/__init__.py b/erpnext/__init__.py
index 833ddff223..618d106390 100644
--- a/erpnext/__init__.py
+++ b/erpnext/__init__.py
@@ -4,7 +4,7 @@ import inspect
 import frappe
 from erpnext.hooks import regional_overrides
 
-__version__ = '8.6.5'
+__version__ = '8.6.6'
 
 def get_default_company(user=None):
 	'''Get default company for user'''
diff --git a/erpnext/controllers/item_variant.py b/erpnext/controllers/item_variant.py
index 226b17f7a2..967c1339f1 100644
--- a/erpnext/controllers/item_variant.py
+++ b/erpnext/controllers/item_variant.py
@@ -169,7 +169,6 @@ def create_variant(item, args):
 
 	return variant
 
-
 def copy_attributes_to_variant(item, variant):
 	from frappe.model import no_value_fields
 
@@ -189,6 +188,8 @@ def copy_attributes_to_variant(item, variant):
 				variant.set(field.fieldname, item.get(field.fieldname))
 	variant.variant_of = item.name
 	variant.has_variants = 0
+	if not variant.description:
+		variant.description = ''
 
 	if item.variant_based_on=='Item Attribute':
 		if variant.attributes:
diff --git a/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py b/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py
index 9e95eb0c23..1f937bb8af 100644
--- a/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py
+++ b/erpnext/patches/v8_0/update_stock_qty_value_in_bom_item.py
@@ -10,4 +10,5 @@ def execute():
 	frappe.reload_doc('manufacturing', 'doctype', 'bom_scrap_item')
 	frappe.db.sql("update `tabBOM Item` set stock_qty = qty, uom = stock_uom, conversion_factor = 1")
 	frappe.db.sql("update `tabBOM Explosion Item` set stock_qty = qty")
-	frappe.db.sql("update `tabBOM Scrap Item` set stock_qty = qty")
\ No newline at end of file
+	if "qty" in frappe.db.get_table_columns("BOM Scrap Item"):
+		frappe.db.sql("update `tabBOM Scrap Item` set stock_qty = qty")
\ No newline at end of file
diff --git a/erpnext/startup/boot.py b/erpnext/startup/boot.py
index ceeceaa3c9..6b503b3eec 100644
--- a/erpnext/startup/boot.py
+++ b/erpnext/startup/boot.py
@@ -16,8 +16,10 @@ def boot_session(bootinfo):
 		update_page_info(bootinfo)
 
 		load_country_and_currency(bootinfo)
-		bootinfo.sysdefaults.territory = get_root_of('Territory')
-		bootinfo.sysdefaults.customer_group = get_root_of('Customer Group')
+		bootinfo.sysdefaults.territory = frappe.db.get_single_value('Selling Settings',
+			'territory') or get_root_of('Territory')
+		bootinfo.sysdefaults.customer_group = frappe.db.get_single_value('Selling Settings',
+			'customer_group') or get_root_of('Customer Group')
 
 		bootinfo.notification_settings = frappe.get_doc("Notification Control",
 			"Notification Control")