How To Fix CM_RGG028 - Data is locked by another user

CM_RGG028 - Overview

• Message type: E = Error

• Message class: CM_RGG - Report Generation Groups

• Message number: 028

• Message text: Data is locked by another user

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 requested data is displayed only and cannot be edited.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CM_RGG028 - Details

• The SAP error message CM_RGG028, which states "Data is locked by another user," typically occurs when a user attempts to access or modify data that is currently being used or locked by another user in the SAP system. This locking mechanism is a standard feature in SAP to ensure data integrity and prevent conflicts during concurrent access.
  
  Cause:
  
  Concurrent Access: Another user is currently editing or processing the same data.
  Session Timeout: A previous session may not have released the lock due to a timeout or an unexpected termination.
  Long-running Transactions: A transaction that takes a long time to complete may hold locks longer than expected.
  Lock Table Entries: Locks may not be released properly due to system issues or bugs.
  
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their transaction may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (Display and Manage Locks) to identify which