How To Fix M2555 - Evaluation structure & unchanged (not generated)

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 555

• Message text: Evaluation structure & unchanged (not generated)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M2555 - Evaluation structure & unchanged (not generated) ?

  The SAP error message M2555, which states "Evaluation structure & unchanged (not generated)," typically occurs in the context of Material Management (MM) and is related to the evaluation structure used for inventory valuation or reporting purposes. This message indicates that the evaluation structure has not been changed since the last generation, and therefore, it will not be regenerated.
  Cause:
  
  No Changes Made: The most common cause of this error is that there have been no changes made to the evaluation structure since the last time it was generated. The system checks for changes and if none are found, it will not regenerate the structure.
  Configuration Issues: There may be issues with the configuration of the evaluation structure or the related settings in the system.
  Data Consistency: If there are inconsistencies in the data or if the evaluation structure is not properly defined, it may lead to this message.
  
  Solution:
  
  Check for Changes: Verify if any changes have been made to the evaluation structure. If changes are required, make the necessary adjustments and then attempt to regenerate the structure.
  Regenerate Manually: If you believe changes should have been detected, you can try to manually regenerate the evaluation structure. This can typically be done through the transaction code related to the evaluation structure (e.g., transaction code OMIY for inventory management).
  Review Configuration: Check the configuration settings for the evaluation structure in the system. Ensure that all necessary parameters are correctly set up.
  Consult Documentation: Review SAP documentation or notes related to the specific evaluation structure you are working with to ensure that you are following the correct procedures.
  Check for Data Issues: Investigate any potential data inconsistencies that may be affecting the evaluation structure. This may involve checking master data or transaction data related to materials.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMIY (for managing evaluation structures) and MMBE (for checking material stock).
  SAP Notes: Look for SAP Notes that may address specific issues related to the evaluation structure and the M2555 error message.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to address the M2555 error message effectively.