How To Fix CNV_CMIS_A_20019 - Worklist header for package ID &1 version &2 could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 019

• Message text: Worklist header for package ID &1 version &2 could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20019 - Worklist header for package ID &1 version &2 could not be locked ?

  The SAP error message CNV_CMIS_A_20019 indicates that the worklist header for a specific package ID and version could not be locked. This typically occurs in the context of data migration or conversion processes, particularly when using the SAP Conversion Management Information System (CMIS).
  Cause:
  
  
  Concurrency Issues: The most common cause of this error is that another user or process is currently accessing or modifying the worklist header for the specified package ID and version. SAP locks the worklist header to prevent data inconsistencies during concurrent access.
  
  
  Database Locking: There may be a database lock on the worklist header due to a long-running transaction or an uncommitted transaction that is holding the lock.
  
  
  System Performance: If the system is under heavy load, it may take longer to acquire locks, leading to timeouts and this error.
  
  
  Configuration Issues: There could be configuration issues in the CMIS settings that affect how locks are managed.
  
  
  Solution:
  
  
  Check for Active Sessions: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify if another user or process is holding a lock on the worklist header. If you find a lock that is no longer needed, you can release it.
  
  
  Wait and Retry: If the lock is held by a legitimate process, wait for that process to complete and then retry your operation.
  
  
  Review Long-Running Transactions: Investigate any long-running transactions that might be causing the lock. If necessary, you may need to terminate those transactions after ensuring that it is safe to do so.
  
  
  System Performance Monitoring: Monitor system performance to ensure that it is not overloaded. If necessary, optimize the system or schedule heavy processes during off-peak hours.
  
  
  Check Configuration: Review the configuration settings for CMIS to ensure that they are set up correctly and that there are no issues that could lead to locking problems.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to view system logs), and ST22 (to check for dumps) for troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for CMIS and data migration processes for more context on how worklists are managed.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.