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Problem

The mirror is activated for the shipping plant / receiving plant / material combination. However, it does not generate any PReq.

Solution

  • Verify the material configuration (find it in the activate the Mirror mirror, in the '2.Material Master Update' section). Make sure that the various MRP fields are updated in the right plants.
  • If that does not fix the problem, create a PReq with ME51N. If you cannot, this might explain. And the error message you will receive along the way is your diagnosis.
  • If you can create a PReq with ME51, but the Mirror does not create any, run transaction ZDP_1C_PUSH (you may have to ask security to run it). 
    • in the selection screen (right-hand pannel), enter
      • material, shipping plant, receiving plant
      • Test mode activated
      • with filter (without safety stock)

      • page down to find the  P_DEBUG flag, and activate it.

      • all other fields can remain as is
      • hit: . The program will (should) fail at creating a PReq, since this is why you are reading this documentation. It will tell you why. 

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