I have to pay vendor 5000Rs advance through cheque. If its clear vendor sent to us material first step inv of rm a/c dr to gr/ir a/c dr. This entry in sap automatically generated or manually enter by user. second procedure gr/ir a/c dr to vendor in second entry how we will cancel offsetting entry in sap. & after we will receive the material we will transfer advance amount to specific materail (transfer amount manually or automatically) . If end user forget the clerance of advance payment to invoice the balance sheet amount & p&l a/c showing double amount. How we will rectify this issue.