How To Fix MC640 - View logging: inactive nametab header was not written

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 640

• Message text: View logging: inactive nametab header was not written

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MC640 - View logging: inactive nametab header was not written ?

  The SAP error message MC640 ("View logging: inactive nametab header was not written") typically occurs in the context of the Material Management (MM) module, particularly when dealing with the logging of changes to certain views in the system. This error indicates that the system attempted to log changes to a view, but the logging process was not completed successfully due to an inactive nametab header.
  Cause:
  The error can be caused by several factors, including:
  
  
  Inactive Nametab: The nametab (name table) for the view you are trying to log changes to is inactive. This means that the system cannot write the necessary logging information because the structure is not active.
  
  
  Configuration Issues: There may be issues with the configuration of the logging settings for the specific view or table.
  
  
  Authorization Issues: The user may not have the necessary authorizations to write logs for the specific view.
  
  
  Technical Issues: There could be underlying technical issues, such as database inconsistencies or problems with the logging mechanism itself.
  
  
  Solution:
  To resolve the MC640 error, you can take the following steps:
  
  
  Check Nametab Status:
  
  Go to transaction SE11 (Data Dictionary) and check the status of the nametab for the relevant view. Ensure that it is active. If it is inactive, you may need to activate it.
  
  
  
  Review Logging Configuration:
  
  Check the configuration settings for logging in the relevant transaction or module. Ensure that logging is enabled for the specific view you are working with.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to perform logging. You can check this in transaction SU53 (Authorization Check) after the error occurs.
  
  
  
  Check for Technical Issues:
  
  Look for any technical issues in the system that might be affecting the logging process. This could include checking for database errors or inconsistencies.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SU53 (Authorization Check), SM21 (System Log), ST22 (Dump Analysis).
  SAP Notes: Always check the SAP Support Portal for any specific notes related to the MC640 error, as they may provide additional context or solutions.
  Documentation: Review the SAP documentation for the specific module you are working with to understand the logging mechanisms and requirements.
  
  By following these steps, you should be able to identify and resolve the cause of the MC640 error in your SAP system.