How To Fix CO_MES_INT064 - Change number &1 used instead of &2; same validity start

SAP Error Message - Details

• Message type: E = Error

• Message class: CO_MES_INT - Integration with Manufacturing Execution Systems

• Message number: 064

• Message text: Change number &1 used instead of &2; same validity start

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO_MES_INT064 - Change number &1 used instead of &2; same validity start ?

  The SAP error message CO_MES_INT064 indicates that there is a conflict with change numbers in the context of a production order or a related process. Specifically, it suggests that a change number (&1) is being used instead of another change number (&2), and both change numbers have the same validity start date. This can lead to confusion in the system regarding which change number should be applied.
  Cause:
  
  Duplicate Change Numbers: The error typically arises when two change numbers are defined with the same validity period, leading to ambiguity in which change number should be applied.
  Configuration Issues: There may be issues in the configuration of the change management settings in SAP, causing the system to not differentiate between the two change numbers correctly.
  Data Entry Errors: Incorrect data entry or selection of change numbers during the creation or modification of production orders or other related documents.
  
  Solution:
  
  Review Change Numbers: Check the change numbers involved in the error message. Ensure that they are correctly defined and that their validity periods do not overlap unless intended.
  Adjust Validity Periods: If possible, adjust the validity periods of the change numbers to eliminate the overlap. This can help the system distinguish between the two change numbers.
  Check Configuration: Review the configuration settings related to change management in SAP. Ensure that the settings are correctly defined to avoid such conflicts.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on managing change numbers and their validity periods.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Change Management in SAP: Understanding how change management works in SAP can help prevent such issues. Familiarize yourself with the processes involved in creating and managing change numbers.
  Transaction Codes: Use relevant transaction codes (like CO02 for changing production orders) to investigate the specific orders or documents that are causing the error.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that can resolve the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.