How To Fix MC639 - View logging: active nametab header was not written

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 639

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

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 MC639 - View logging: active nametab header was not written ?

  The SAP error message MC639 ("View logging: active nametab header was not written") typically occurs in the context of the Material Management (MM) module, particularly when dealing with logging and data consistency issues in the system. This error can arise during various operations, such as when trying to log changes to material master data or during the execution of certain transactions.
  Cause:
  The error can be caused by several factors, including:
  
  Database Issues: There may be issues with the database that prevent the logging mechanism from writing the necessary entries.
  Authorization Problems: The user executing the transaction may not have the necessary authorizations to write to the logging tables.
  Configuration Issues: There may be misconfigurations in the logging settings or in the related data structures.
  System Performance: High system load or performance issues can lead to timeouts or failures in writing logs.
  Corrupted Data: There may be corrupted entries in the database that prevent the logging process from completing successfully.
  
  Solution:
  To resolve the error, you can try the following steps:
  
  Check Database Connectivity: Ensure that the database is up and running without issues. Check for any locks or performance bottlenecks.
  Review Authorizations: Verify that the user has the necessary authorizations to perform the operation and write to the logging tables.
  Check Configuration: Review the configuration settings related to logging in the SAP system. Ensure that the logging is properly set up and that there are no inconsistencies.
  System Performance: Monitor system performance and check for any long-running processes that might be affecting the logging mechanism. If necessary, optimize the system performance.
  Check for Corrupted Data: Use transaction codes like SE11 or SE14 to check the relevant database tables for inconsistencies or corruption. You may need to run repair or consistency checks.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  Consult 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, including transaction codes, user details, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to material management and logging, such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  SAP Notes: Regularly check for SAP Notes related to logging and error MC639, as SAP frequently updates their knowledge base with solutions to known issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the MC639 error in your SAP system.