Merge pull request #48297 from frappe/mergify/bp/version-15-hotfix/pr-48296

fix: not able to save material request (backport #48296)

erpnext/controllers/accounts_controller.py

@@ -1134,6 +1134,10 @@ class AccountsController(TransactionBase):
 			return True
 
 	def set_taxes_and_charges(self):
+		if self.doctype == "Material Request":
+			# Material Request does not have taxes
+			return
+
 		if self.get("taxes") or self.get("is_pos"):
 			return