How To Fix CCSEQ019 - The usage location table could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CCSEQ - Change sequence graph

• Message number: 019

• Message text: The usage location table could not be locked

What causes this issue?

A technical error occurred when locking the table containing the change
numbers and usage locations for the change sequence graph.

System Response

The system could not lock the table CCSEQ_NODES.

How to fix this error?

Contact your administrator.
Try to reproduce the error and describe under which circumstances the
error message occurred.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CCSEQ019 - The usage location table could not be locked ?

  The SAP error message CCSEQ019 indicates that the system was unable to lock the usage location table. This can occur in various scenarios, particularly when multiple users or processes are trying to access or modify the same data simultaneously. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Concurrent Access: Another user or process is currently accessing the usage location table, preventing your transaction from obtaining a lock.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected, causing subsequent attempts to fail.
  Database Lock Issues: There may be issues with the database that are preventing locks from being acquired or released properly.
  Configuration Issues: Incorrect configuration settings in the SAP system could lead to locking problems.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  
  Solutions:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a few moments and then retrying the operation may resolve the issue.
  Check Active Sessions: Use transaction codes like SM12 (to view and manage locks) to check for active locks on the usage location table. If you find a lock that is no longer needed, you can release it (with caution).
  Analyze Long-running Transactions: Identify any long-running transactions that may be holding locks and address them. You can use transaction SM66 to monitor active processes.
  Database Administration: If the issue persists, consult your database administrator to check for any underlying database issues that may be affecting locking mechanisms.
  Review Configuration: Ensure that your SAP system is configured correctly for handling locks. This may involve checking settings related to the application server or database.
  System Restart: In extreme cases, if the locking issue is persistent and cannot be resolved, a system restart may be necessary to clear any stale locks.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM66: Global work process overview.
  SM21: System log for error messages.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CCSEQ019.
  Documentation: Review SAP documentation for best practices on managing locks and transactions.
  
  If the problem continues after trying these solutions, it may be beneficial to contact SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.