fix: validation blocks partial payment for SO and PO
diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.py b/erpnext/accounts/doctype/payment_entry/payment_entry.py
index c175e24..bab0e76 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.py
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.py
@@ -66,7 +66,7 @@
 		self.setup_party_account_field()
 		self.set_missing_values()
 		self.set_liability_account()
-		self.set_missing_ref_details()
+		self.set_missing_ref_details(force=True)
 		self.validate_payment_type()
 		self.validate_party_details()
 		self.set_exchange_rate()