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Vendor overwriting Vendor Material Number

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Hi, we created an interface that generates a Purchase Requisition via the SAP Bapi.  When the user creates a Purchase Order from the Rec all data copies over correctly.  The Vendor isn't passed in the inteface.  The purchasing group here needs to enter the vendor on the purchase order when they create the PO from the rec.  However, when they enter the vendor, the value in the vendor material number is overwritten for each item; as in wiped out.  It's erased.  Is there a setting to avoid this?

I am NOT a purchasing person. I'm a technical.  I've searched the board and couldn't find anything regarding this.  Anybody have any ideas?

Thanks,

Chris

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Answers (1)

claire_yang
Contributor
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Hi,

What is the BAPI name?

BR