How To Fix GTCN_MESSAGE055 - Fail to lock

SAP Error Message - Details

• Message type: E = Error

• Message class: GTCN_MESSAGE - GTCN: Message Class

• Message number: 055

• Message text: Fail to lock

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 GTCN_MESSAGE055 - Fail to lock ?

  The SAP error message GTCN_MESSAGE055, which indicates a "Fail to lock" issue, typically arises in the context of SAP's Global Trade Services (GTS) module. This error generally occurs when the system is unable to obtain a lock on a particular object or record that it needs to process. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Concurrent Access: Another user or process may be accessing the same object, preventing your transaction from obtaining a lock.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold a lock on the object longer than expected.
  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 in GTS or related modules may lead to locking problems.
  
  Solutions:
  
  Check for Active Sessions: Use transaction codes like SM12 (to view and manage locks) to check if there are any active sessions holding locks on the object you are trying to access. If you find any unnecessary locks, you may need to release them.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue, especially if it was caused by a temporary condition.
  Optimize Long-running Processes: If you identify that a particular process is taking too long, consider optimizing it to reduce the time it holds locks.
  System Monitoring: Monitor system performance and load to identify any bottlenecks that may be causing locking issues.
  Database Administration: If the issue persists, consult with your database administrator to check for any underlying database issues that may be affecting locking behavior.
  Review Configuration: Ensure that the GTS and related configurations are set up correctly and are not causing locking issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to GTCN_MESSAGE055. SAP frequently updates its knowledge base with solutions for specific error messages.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SM21 (system log), and ST22 (dump analysis) to help diagnose the issue.
  User Permissions: Ensure that the user has the necessary permissions to access the objects in question, as permission issues can sometimes manifest as locking problems.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.