Merge pull request #43342 from frappe/mergify/bp/version-14-hotfix/pr…

…-43253

fix: partial return on POS invoice (backport #43253)

erpnext/accounts/doctype/pos_invoice/pos_invoice.py

@@ -379,7 +379,7 @@ def validate_payment_amount(self):
 			if self.is_return and entry.amount > 0:
 				frappe.throw(_("Row #{0} (Payment Table): Amount must be negative").format(entry.idx))
 
-		if self.is_return:
+		if self.is_return and self.docstatus != 0:
 			invoice_total = self.rounded_total or self.grand_total
 			if total_amount_in_payments and total_amount_in_payments < invoice_total:
 				frappe.throw(_("Total payments amount can't be greater than {}").format(-invoice_total))