How To Fix SADT_RESOURCE029 - Resource &1 &2 could not be locked.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADT_RESOURCE - Resource messages

• Message number: 029

• Message text: Resource &1 &2 could not be locked.

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 SADT_RESOURCE029 - Resource &1 &2 could not be locked. ?

  The SAP error message SADT_RESOURCE029 indicates that a specific resource (identified by &1 and &2) could not be locked. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same resource simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Another user or process is currently using the resource, preventing your session from obtaining a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  System Configuration: There may be configuration issues or limitations in the system that prevent proper locking mechanisms from functioning.
  
  Solution:
  
  Wait and Retry: If the resource is locked by another user, wait for a short period and then try again. If the lock is temporary, it may be released soon.
  Identify Locking User/Process: Use transaction code SM12 to check for existing locks on the resource. You can identify which user or process is holding the lock and take appropriate action.
  Terminate Long-Running Transactions: If you identify a transaction that is holding the lock for too long, you may need to terminate it (if you have the necessary permissions) or contact the user to resolve the issue.
  Check for Deadlocks: If you suspect a deadlock, you may need to analyze the situation further, possibly using transaction SM21 (System Log) or ST22 (Dump Analysis) to find more details.
  Review System Configuration: Ensure that your SAP system is configured correctly for resource locking. This may involve checking settings related to database locks or application server configurations.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific resource type you are working with for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: View system logs for errors and warnings.
  ST22: Analyze dumps for errors.
  
  
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  User Permissions: Ensure that you have the necessary permissions to access and modify the resource in question.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact your SAP Basis team or SAP support for further assistance.