How To Fix DMC_GENERAL070 - Prefix customizing is locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 070

• Message text: Prefix customizing is locked by user &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL070 - Prefix customizing is locked by user &1 ?

  The SAP error message DMC_GENERAL070 indicates that the prefix customizing is locked by a specific user. This typically occurs in the context of Data Management Cockpit (DMC) or similar SAP applications where certain configurations or settings are being modified.
  Cause:
  
  User Lock: The prefix customizing is locked by another user who is currently making changes or has an active session that has not been properly closed.
  Session Timeout: Sometimes, a session may remain active due to a timeout or improper logout, leading to a lock.
  Technical Issues: There could be technical issues or bugs in the system that cause locks to persist longer than expected.
  
  Solution:
  
  Identify the Locking User: Check the user ID mentioned in the error message (e.g., &1) to identify who is holding the lock.
  Contact the User: If possible, contact the user to see if they can release the lock by completing their task or logging out.
  Release the Lock Manually:
  
  Use transaction code SM12 to view and manage locks in the system.
  Search for the user ID that is holding the lock and, if appropriate, release the lock.
  
  
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check if there are any running jobs that might be causing the lock.
  System Restart: In extreme cases, a system restart may be necessary, but this should be done with caution and typically as a last resort.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that might address this issue, as there may be known bugs or patches available.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to troubleshoot further.
  User Management: Ensure that user management practices are in place to avoid unnecessary locks, such as proper session handling and user training.
  Documentation: Refer to SAP documentation for the Data Management Cockpit or the specific module you are working with for additional context on prefix customizing and its importance.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the matter to your SAP Basis team or SAP support for further investigation.