MMAM  - how to change material group

Hi guys,
could you pls tell me all conditions that must be fulfilled when I want to change material group in MMAM?
current group - HAWA, new group -ROH
thanks a lot,
I

Hi,
   I believe you want to change material type. Below are the prerequisites to change the material type:
  1. If you use the material ledger, the material must be settled in
  2. If the old material type did not require you to specify a price control (for example , standard price or moving average price)
      for the material, the new material type must not be configured such that it allows only standard price as the price control.
  3. If the material has been maintained  from PRT (Production resource tools) view, this view must also be allowed for the new material type.
4. If the material is not configurable material, the new material type must not be allowed only for configurable materials.
5. If inspection plans are required for quality management inspection of the material, they must be allowed for the new material type.
6.  The material type ID indicator(presently used only in Retail) must be the same for the old material type and the new material type.
7. If the material is already in stock, or if reservations, or purchasing documents exist for it, the following conditions must also be met:
   A) The stock values of the material of the new material type must be updated the same G/L account as the stock values material of the old material type.
   B) Quantiites and values of the material of the new material type must be updated exactly the same way in all plants as quantities and values of the material of the old material type.
  C) If there is a transfer requirement for the material and if quants of the material exist, the new material type must also allow the material data to be maintained from the warehouse management view.
8. In Customizing for the material master , the following indicators must have the same setting for the old material type and for the new material type:
  A) Material for Process Indicator
  B) Manufacturer Part Indicator
9. If the material , whose material type you want to change ,was handled in batches and if,due to the maintenance statuses of the new material type, the material can no longer be handled in batches,although batch still exist, you can not change the material type.
Thanks,
Venkat

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