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Mar 01, 2017 at 07:32 PM

Multiple material documents against same reservation

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An user reported he found in MB51 two material documents associated to the same reservation.

The reservation was created (tx. MB21, mov type 201) for 10 UN. In MB51 I found two materials documents associated to the reservation, 10 UN each! There is no a cancellation (I verified through MBSM).

I found the material documents were posted by different users with 26 seconds of difference.

I replicated this case with two SAP sessions. I called transaction MIGO in each session and posted a good issue 201, and immediately I posted a second good issue 201 for same reservation. System posted both documents!!!!! I assume it was possible to post the second one because field RESB-KZEAR was blank at this moment.

Then I called transaction MIGO in two sessions again, and posted two good issues 201 for the same reservation, waiting a prudential time between both postings. System issues message M7 064 “Document & does not contain any selectable ítems”. I assume in this case, system “had enough time“ to set field RESB-KZEAR as X.

It is possible to block object “reservation” during posting to avoid this behavior?

SAP version:SAP ECC 6.0