Merge pull request #42265 from frappe/mergify/bp/version-15-hotfix/pr…

…-42127

fix: removed max discount validation for sales return (backport #42127)

erpnext/controllers/selling_controller.py

@@ -28,7 +28,7 @@ def onload(self):
 	def validate(self):
 		super().validate()
 		self.validate_items()
-		if not self.get("is_debit_note"):
+		if not (self.get("is_debit_note") or self.get("is_return")):
 			self.validate_max_discount()
 		self.validate_selling_price()
 		self.set_qty_as_per_stock_uom()