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SAP WM error message during pick and pack


We are using LM45 to pick and pack HU's. Now for one of the warehouses we are getting the errormessage ' the system could not find the TO for execution'. User 1 scans a empty HU and a TO is presented for picking. User 2 scans in on the same queue and gets the mentioned errormessage. Probably because the same TO is approached, however a new TO should be presented. If have tried to disable the pick pack on HU level but this only works for LM07 and not for LM45 (it should be activated). Customizing looks fine in my opinion. Maybe you guys have any idea?

Appreciate it.

Kind regards,


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1 Answer

  • Nov 03, 2016 at 12:07 PM

    If I remember correctly, there is a check to make sure that only one user works on one HU at a time.

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    • Sorry Mark, I don't have a HU managed system to look at right now. Have you tried debugging to find out if there is some other way you can get around it?

      Personally, I would just write a custom program to do exactly what you want it to - faster and serves the business better. But, full disclosure - custom RF is how I earn a living :), so ignore this advice and try to find a native fix.