Message type: E = Error
Message class: /SAPAPO/LOM -
Message number: 163
Message text: MRP area &1 (plant &2, storage location &3) already exists
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/SAPAPO/LOM163
- MRP area &1 (plant &2, storage location &3) already exists ?The SAP error message /SAPAPO/LOM163 indicates that there is an attempt to create or modify a Material Requirements Planning (MRP) area in SAP Advanced Planning and Optimization (APO) that already exists for the specified plant and storage location. This error typically arises during the configuration of MRP areas in the APO system.
Cause: The error occurs because: An MRP area with the same plant and storage location combination already exists in the system. There may have been an attempt to create a duplicate entry, which is not allowed in the system.
Solution: To resolve this error, you can take the following steps: Check Existing MRP Areas: Navigate to the relevant transaction in SAP APO (e.g., /SAPAPO/LOM1 for MRP area maintenance). Search for the existing MRP area using the plant and storage location specified in the error message. Verify if the MRP area already exists. Modify or Delete Existing MRP Area: If the MRP area already exists and you need to make changes,
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