refactor: remove advance payment ledgers on document deletion

erpnext/controllers/accounts_controller.py

@@ -347,9 +347,14 @@ class AccountsController(TransactionBase):
 					repost_doc.flags.ignore_links = True
 					repost_doc.save(ignore_permissions=True)
 
+	def _remove_advance_payment_ledger_entries(self):
+		adv = qb.DocType("Advance Payment Ledger Entry")
+		qb.from_(adv).delete().where(adv.voucher_type.eq(self.doctype) & adv.voucher_no.eq(self.name)).run()
+
 	def on_trash(self):
 		from erpnext.accounts.utils import delete_exchange_gain_loss_journal
 
+		self._remove_advance_payment_ledger_entries()
 		self._remove_references_in_repost_doctypes()
 		self._remove_references_in_unreconcile()
 		self.remove_serial_and_batch_bundle()