Message type: E = Error
Message class:  WUSL - Messages for where-used list 
Message number: 121
Message text: Error when writing change documents
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The SAP error message WUSL121 indicates that there is an issue when writing change documents in the system. This error typically arises in the context of change document management, which is used to track changes made to certain objects in SAP.
Cause: The WUSL121 error can be caused by several factors, including: Authorization Issues: The user may not have the necessary authorizations to create or modify change documents.
Configuration Issues: There may be a misconfiguration in the change document settings or the relevant object types. Database Issues: Problems with the database, such as locks or inconsistencies, can prevent the writing of change documents. Technical Errors: There may be bugs or issues in the SAP system itself, such as missing or corrupted data.
Solution: To resolve the WUSL121 error, you can take the following steps: Check Authorizations: Ensure that the user has the necessary authorizations to create and modify change documents. You can do this by reviewing the user's roles
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