Duplicate Invoice Check Not Checking the Gross Invoice Amount-

Question

Gurus,
When checking for duplicate invoices in MIRO/FB60, I have made all the config and setup but still the system is not checking the gross Invoice amount field. Lets say I enter
Invoice 1 :
                 Vendor                 X
                  Reference            123
                  Date                    10/27/2010
                  Company Code : 1111
                  Currency           : USD
                  AMOUNT           :100         and post this invoice
I try to enter the second invoice
Invoice 2: 
                   Vendor                 X
                  Reference            123
                  Date                    10/27/2010
                  Company Code : 1111
                  Currency           : USD
                  AMOUNT           : 90    
I get the error message even though the AMOUNT in the second invoice is 90 which is not the same as first invoice .
I chcked the vendor master duplicate check, made the config in spro-liv for duplicate invoice for company code, reference number and invoice date.
The help says that after 4.6 version if all of them match, then the system wiill throw error, but in my case the amount is not matching and its still giving me an error.
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Edited by: Rob Burbank on Oct 27, 2010 4:07 PM

Answer 1

Hi,
After making the duplcate invoices chek at spro will checks the reference number of the invoice entered previouslu with that one entered later for that company code.as the first check itself failed system throws the error thinking, you are trying to enter a duplicate invoice for a  already posted invoice though how much is the amount in the second invoice .
It will allow to enter the item details , if the dupplicate invoice check is properly configured for that company code and ref number .Did you get the error mesage after entering the details?If you get a error a message which stops furthur entry them your conf is correct, if not you may need to check back .
Check the invoice toletrances at spro too amount.
the below link explains you the process of dupliation in LIV.
http://help.sap.com/erp2005_ehp_04/helpdata/EN/ce/4f3e39ea3aee02e10000000a114084/frameset.htm
Regards,