How To Fix CCMM172 - System error occurred during the locking procedure

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMM - Message Class for A&D CCM

• Message number: 172

• Message text: System error occurred during the locking procedure

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 CCMM172 - System error occurred during the locking procedure ?

  The SAP error message CCMM172, which states "System error occurred during the locking procedure," typically indicates an issue related to the locking mechanism in the SAP system. This error can occur in various contexts, such as during data processing, transaction execution, or when accessing certain resources.
  Causes:
  
  Database Lock Issues: The error may arise due to problems with database locks, such as deadlocks or contention for resources.
  System Performance: High system load or performance issues can lead to timeouts or failures in the locking procedure.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking problems.
  Transport Issues: If the error occurs during a transport process, it may be related to issues with the transport directory or transport requests.
  User Authorizations: Insufficient authorizations for the user trying to perform the action may also lead to locking errors.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) and the developer trace (transaction ST22) for more detailed error messages that can provide insights into the cause of the locking issue.
  Monitor Locks: Use transaction SM12 to check for existing locks. If there are stale locks, you may need to delete them, but be cautious and ensure that no active processes are using those locks.
  Performance Monitoring: Use transaction ST03N to analyze system performance and identify any bottlenecks that may be causing the locking issue.
  Review Configuration: Ensure that the system configuration related to locking and database connections is correct.
  User Authorizations: Verify that the user has the necessary authorizations to perform the action that triggered the error.
  Restart Services: In some cases, restarting the affected application server or the entire SAP system may resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. Search for CCMM172 or related keywords.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.