How To Fix GU979 - Table & is already being edited

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 979

• Message text: Table & is already being edited

What causes this issue?

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

System Response

The conversion of table &v1& cannot be carried out at the moment.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU979 - Table & is already being edited ?

  The SAP error message GU979, which states "Table & is already being edited," typically occurs when a user or a process is trying to access or modify a table that is currently locked by another user or process. This can happen in various scenarios, such as during data entry, updates, or batch processing.
  Causes:
  
  Concurrent Access: Another user or transaction is currently editing the same table.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the table.
  Background Jobs: A background job may be processing data in the table, causing it to be locked.
  Uncommitted Transactions: If a transaction is not committed or rolled back, it may leave the table in a locked state.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock on the table.
  Terminate the Lock: If necessary and if you have the appropriate permissions, you can terminate the session that is holding the lock. This should be done with caution, as it may lead to data inconsistency.
  Check Background Jobs: Use transaction SM37 to check if any background jobs are running that might be locking the table.
  Review Code: If the error occurs frequently, review the code or processes that access the table to ensure they are properly handling locks and transactions.
  Increase Timeout Settings: If applicable, consider increasing the timeout settings for transactions to allow longer processing times.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  SE11: To view the table structure and properties.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for best practices on handling database locks and transactions.
  
  Best Practices:
  
  Ensure that transactions are kept as short as possible to minimize locking issues.
  Implement proper error handling in custom programs to manage locks gracefully.
  Regularly monitor system performance and locking issues to proactively address potential problems.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.