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Assign manually personnel number


How to change (user dialog preferred) the assignment between personnel number and business partner?

Let's say move "1" from 9980000020 to 9980000010.

Could be a user error or switching from "no HR integration" to "HR integrated".

The system seems having memorized somewhere 1-to-9980000020 linkage.

Playing around with TCodes BP, PA30 and SU01 does not help.


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  • Posted on Oct 24, 2019 at 11:43 AM

    Hello Andrzej,

    I used to have the same problem recently.

    Well, please first find out what is the status in your system regarding HR/business partner integration (see below)?

    If the latter is switched on, then you can not change the personnel number any more by design.

    Please check SAP-Note



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    • Hallo Steffen,

      Vielen Dank �� for your (very prompt!) help.

      I have tried out with that (and follow-on) SNote(s).

      Unfortunately in my 1809 S4CORE 103 I can only find BAdI /SHCM/B_EMPLOYYE_MODIFY_USER (and not the one mentioned in there).

      Even though I have tried to deactivate this one (first time ever! - I am usually not touching to any code) no result : in PA30 for communication user field cannot be left over empty between recommended corrective processing steps.

      Not sure I should insist anymore.

      Unless of course your experience would suggest me the contrary.


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