How To Fix CNV460 - Program & cannot run at the moment due to the sequence number

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 460

• Message text: Program & cannot run at the moment due to the sequence number

What causes this issue?

Program & cannot run at this point because not all programs whose
sequence number is lower than the one for program &1 have been
completed successfully.

System Response

The program was stopoed.

How to fix this error?

Wait until all programs whose sequence number is lower than the one for
program &1 are completed, then schedule a new job in the
conversion monitor.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV460 - Program & cannot run at the moment due to the sequence number ?

  The SAP error message "CNV460 Program & cannot run at the moment due to the sequence number" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the sequence number of the program or process that is being executed.
  Cause:
  
  
  Sequence Number Conflict: The error usually arises when there is a conflict in the sequence number assigned to the migration or conversion process. This can happen if:
  
  The process is being executed out of the expected order.
  There are multiple instances of the same program trying to run simultaneously.
  The sequence number has not been properly incremented or managed in the database.
  
  
  
  Locking Issues: If another process is currently using the same resources or if there are locks on the database tables involved, it can prevent the program from executing.
  
  
  Configuration Issues: Incorrect configuration settings in the migration cockpit or related tools can also lead to this error.
  
  
  Solution:
  
  
  Check Sequence Numbers: Ensure that the sequence numbers for the processes are correctly assigned and that they are being executed in the proper order. Review the documentation for the specific migration or conversion process you are using.
  
  
  Release Locks: If there are locks on the database tables, you may need to wait for the other processes to complete or manually release the locks if appropriate.
  
  
  Restart the Process: Sometimes, simply restarting the migration or conversion process can resolve temporary issues.
  
  
  Review Logs: Check the logs for more detailed error messages that can provide insight into what might be causing the issue. Look for any related error messages that might indicate a specific problem.
  
  
  Consult SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that address this specific error. SAP frequently updates its documentation and provides solutions for known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurred and any relevant logs.
  
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its functionalities, as understanding how it manages data migration can help in troubleshooting.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to avoid common pitfalls that can lead to errors.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the "CNV460 Program & cannot run at the moment due to the sequence number" error in your SAP environment.