[FIX] Fixed issued of a reconcie functionlity.

account_banking_ach_discount/models/bank_payment_line.py

@@ -24,4 +24,16 @@ def _compute_discount_amount(self):
         for bline in self:
             discount_amount = sum(bline.mapped("payment_line_ids.discount_amount"))
             bline.discount_amount = discount_amount
+
+    def reconcile(self):
+        self.ensure_one()
+        amlo = self.env["account.move.line"]
+        transit_mlines = amlo.search([("bank_payment_line_id", "=", self.id)])
+        for line in transit_mlines:
+            ap_mlines = line.move_id.line_ids.filtered(
+                lambda x: x.account_id == line.account_id
+            )
+            lines_to_rec = line
+            lines_to_rec += ap_mlines
+            lines_to_rec.reconcile()