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How could you change MM PO created from SRM in Extended Classic Scenario



  • There is some inconsistency between SRM PO and MM PO  in Extended Classic Scenario. You want to change the MM PO to correct the inconsistency.
  • You want to edit the MM PO and make a temporary change in order to investigate errors and debug.
  • Please note it is not recommended to test in Production system.


In this document you will see how to by-pass the standard check and make the MM PO editable.


  1. Set a break point Include - MM06EF0L_LESEN_BELEG.

  2. Start transaction ME22N 

  3. Reached the break point and put the cursor at ENDIF

  4. Go to statement and then F8 .
  5. Then you are able to edit the MM PO.