Double Entry Restriction in FI-Account Payable

Posted by [IP Address: 203.126.64.67] 'Erin' on September 19, 2001 at 23:36:36 EST:

How to restrict same invoice no to be entered twice when park & post to to FI-AP?

The 'Check double inv' is checked in AP-Vendor master but system still accept the entry of same invoice no & date.

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Message: : How to restrict same invoice no to be entered twice when park & post to to FI-AP? : The 'Check double inv' is checked in AP-Vendor master but system still accept the entry of same invoice no & date.