How To Fix CNV_PE_POST800 - Transfer jobs for area &1 could not be scheduled; job table locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_POST -

• Message number: 800

• Message text: Transfer jobs for area &1 could not be scheduled; job table locked

What causes this issue?

Trying to schedule the transfer jobs for area <ZH>&V1&</> failed. There
is already an object lock on the central job table by user <ZH>&V2&</>.
<ZH>Technical Details</>
ENQUEUE function return error code (sy-subrc) = <ZH>&V3&</>

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

In general, this issue only means that in parallel another task is
currently releasing further transfer jobs.
Try again later.

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 CNV_PE_POST800 - Transfer jobs for area &1 could not be scheduled; job table locked ?

  The SAP error message "CNV_PE_POST800 Transfer jobs for area &1 could not be scheduled; job table locked" typically occurs during data transfer processes, particularly in the context of data migration or conversion projects. This error indicates that the job table is locked, preventing the scheduling of transfer jobs for the specified area.
  Cause:
  
  
  Job Table Lock: The most common cause of this error is that the job table (which is used to manage background jobs) is currently locked by another process. This can happen if:
  
  Another job is currently running and has not yet completed.
  A previous job did not release the lock due to an error or was terminated unexpectedly.
  There is a long-running job that is holding the lock for an extended period.
  
  
  
  System Configuration: Sometimes, system configuration issues or settings related to job scheduling can lead to locks.
  
  
  Database Locks: In some cases, database-level locks can also contribute to this issue, especially if there are transactions that are not being committed or rolled back properly.
  
  
  Solution:
  
  
  Check Running Jobs: Use transaction codes like SM37 (Job Monitoring) to check for any jobs that are currently running or have failed. If you find a job that is stuck, you may need to terminate it.
  
  
  Release Locks: If you identify that a job is holding a lock, you can either wait for it to complete or, if necessary, terminate it. Be cautious when terminating jobs, as this can lead to data inconsistencies.
  
  
  Check for Background Processes: Ensure that there are no other background processes that might be locking the job table. You can use transaction SM12 to check for locks and release them if they are no longer needed.
  
  
  Restart the Job: After ensuring that the job table is no longer locked, you can attempt to restart the transfer job.
  
  
  System Restart: In some cases, if the issue persists and you cannot identify the cause, a system restart may be necessary to clear any lingering locks.
  
  
  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:
  
  SM37: Job Monitoring
  SM12: Lock Entries
  SM21: System Log
  SM66: Global Work Process Overview
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on job scheduling and management.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult SAP support for further assistance.