How To Fix CNV_PE847 - Loading is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 847

• Message text: Loading is locked

What causes this issue?

Loading is locked according to <ZK>Load Customizing</>

System Response

Program execution is forbidden

How to fix this error?

To activate <ZK>Loading</>: Go to SM30: V_CNV_PE_LOAD
Note: <ZK>Loading </>will overwrite existing data.

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 CNV_PE847 - Loading is locked ?

  The SAP error message "CNV_PE847 Loading is locked" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the loading process is currently locked, preventing further data from being loaded into the system.
  Causes:
  
  Concurrent Processes: Another data loading process might be running simultaneously, causing a lock on the loading table or process.
  Incomplete Previous Load: A previous data load might not have completed successfully, leaving the system in a locked state.
  Database Locks: Database-level locks may be in place due to transactions that have not been committed or rolled back.
  Configuration Issues: Incorrect configuration settings in the migration tool or the underlying database can lead to locking issues.
  
  Solutions:
  
  
  Check for Running Processes: Use transaction codes like SM66 or SM50 to check for any active processes that might be locking the loading operation. If you find any, you may need to wait for them to complete or terminate them if they are stuck.
  
  
  Review Logs: Check the logs of the migration process for any errors or warnings that might indicate why the loading is locked. This can provide insights into what went wrong.
  
  
  Release Locks: If you identify that a lock is held by a specific transaction, you can use transaction SM12 to view and delete any unnecessary locks. Be cautious when doing this, as it may affect other users or processes.
  
  
  Restart the Migration Process: If the previous load was incomplete, you may need to restart the migration process. Ensure that all previous sessions are closed and that the system is in a stable state.
  
  
  Check Configuration: Review the configuration settings of the migration tool to ensure that everything is set up correctly. This includes checking for any parameters that might affect locking behavior.
  
  
  Database Administration: If the issue persists, consult with your database administrator to check for any underlying database issues that might be causing locks.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message or the migration tool you are using. SAP frequently updates their knowledge base with solutions to common issues.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may provide additional troubleshooting steps or best practices.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find others who have encountered and resolved the same error.
  
  If the problem continues after trying these solutions, it may be necessary to contact SAP support for further assistance.