fix: Validation

erpnext/manufacturing/doctype/blanket_order/blanket_order.py

@@ -14,13 +14,12 @@ from erpnext.stock.doctype.item.item import get_item_defaults
 class BlanketOrder(Document):
 	def validate(self):
 		self.validate_dates()
+		self.validate_duplicate_items()
 
 	def validate_dates(self):
 		if getdate(self.from_date) > getdate(self.to_date):
 			frappe.throw(_("From date cannot be greater than To date"))
 
-		self.validate_duplicate_items()
-
 	def validate_duplicate_items(self):
 		item_list = []
 		for item in self.items: