Message type: E = Error
Message class:  FINS_FI_MASS_DATA - Mass Data Handling 
Message number: 133
Message text: Error processing for &1 in client &4 is locked by user &2
User &v2& is currently working on the error messages for &v3& (&v1&).
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Go back to the status overview screen and refresh the display in order
to see the changes done by this user.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FINS_FI_MASS_DATA133 indicates that a specific client in the SAP system is locked by a user, which prevents processing of mass data operations. This error typically occurs in financial transactions or mass data processing scenarios.
Cause: The error occurs when: A user has locked the client (or specific data) for maintenance or processing, which can happen during data uploads, migrations, or batch processing. The lock may be due to a transaction that is currently being processed by another user, or it could be a result of a previous session that did not release the lock properly.
Solution: To resolve this error, you can take the following steps: Identify the Locking User: Use transaction code SM12 to view the lock entries in the system. Look for the user ID mentioned in the error message (user &2) and check the details of the lock. Release the Lock: If the lock is no longer needed (for example, if the user has
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