How To Fix /ACCGO/CAS_MSG157 - Cannot obtain lock for application document &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CAS_MSG -

• Message number: 157

• Message text: Cannot obtain lock for application document &1

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 /ACCGO/CAS_MSG157 - Cannot obtain lock for application document &1 ?

  The SAP error message /ACCGO/CAS_MSG157 Cannot obtain lock for application document &1 typically indicates that the system is unable to acquire a lock on a specific application document. This can occur in various scenarios, such as when multiple users or processes are trying to access or modify the same document simultaneously.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the document, which prevents 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, causing other requests to fail.
  System Performance Issues: High system load or performance issues can lead to delays in lock acquisition.
  Database Locking Issues: There may be issues at the database level that prevent locks from being managed properly.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking problems.
  
  Solutions:
  
  Wait and Retry: If the lock is held by another user, wait for a few moments and then try again. If the other user completes their transaction, the lock will be released.
  Identify Lock Holders: Use transaction code SM12 to check for existing locks on the document. You can identify the user or process holding the lock and take appropriate action.
  Terminate Long-running Transactions: If you identify a transaction that is taking too long, you may need to terminate it (if you have the necessary permissions) to release the lock.
  Check System Performance: Monitor system performance using transaction codes like SM37 (job monitoring) or ST22 (dump analysis) to identify any performance bottlenecks.
  Database Administration: If the issue persists, consult with your database administrator to check for any underlying database issues that may be affecting locking mechanisms.
  Configuration Review: Review the configuration settings related to locking in your SAP system to ensure they are set correctly.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: System log for monitoring system messages.
  ST22: Dump analysis for checking runtime errors.
  SM37: Job monitoring to check for long-running jobs.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking problems. You can search for relevant notes in the SAP Support Portal.
  
  
  Documentation: Review SAP documentation on locking mechanisms and best practices for managing concurrent access to application documents.
  
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to your SAP Basis team or SAP support for further investigation.