2887774 - Error: Amount is too high...When creating Journal entry voucher for Accounts Payable

You try to post a manual journal entry voucher for payables. But an error appears 'Amount XXX is too high; only YYY exist on account XYZ for supplier ABC' (XXX represents the manually maintained amount, YYY represents the actual amount available on the G/L account XYZ, which is lower than amount XXX; ABC represents the supplier ID).

SAP Business Bydesign

Manual journal entry voucher; Amount is too high; only exist on account for supplier , KBA , AP-ACC-AE , Accounting Entry , Problem