How To Fix UAGENTABSEL121 - Error when writing change documents

SAP Error Message - Details

• Message type: E = Error

• Message class: UAGENTABSEL - Messages for SE16N and Generic Table Selection

• Message number: 121

• Message text: Error when writing change documents

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UAGENTABSEL121 - Error when writing change documents ?

  The SAP error message UAGENTABSEL121 typically occurs when there is an issue related to change document processing in SAP. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying database.
  Possible Causes:
  
  Missing Configuration: The change document object may not be properly configured in the system.
  Data Inconsistencies: There may be inconsistencies in the data that the change document is trying to write.
  Authorization Issues: The user may not have the necessary authorizations to write change documents.
  Database Issues: There could be issues with the database that prevent the writing of change documents.
  Custom Code: If there are custom enhancements or modifications, they might be causing the error.
  
  Solutions:
  
  
  Check Configuration:
  
  Ensure that the change document object is correctly configured in the system. You can check this in transaction SCDO (Change Document Objects).
  Verify that the relevant fields are set up correctly for change document logging.
  
  
  
  Data Validation:
  
  Check the data being processed when the error occurs. Look for any inconsistencies or invalid entries that might be causing the issue.
  Use transaction SE11 to check the database table structure and ensure that the data types and lengths are correct.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to create change documents. You can check this in transaction SU53 after the error occurs to see if there are any authorization failures.
  
  
  
  Database Health:
  
  Check the database for any issues. You may need to run database consistency checks or consult with your database administrator to ensure that the database is functioning correctly.
  
  
  
  Review Custom Code:
  
  If there are any custom enhancements or modifications related to change document processing, review them for potential issues. Debugging the code may help identify the root cause.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Consult SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SCDO: Change Document Objects
  SE11: Data Dictionary
  SU53: Authorization Check
  
  
  SAP Documentation: Review the official SAP documentation for change document processing for more detailed information on configuration and troubleshooting.
  
  By following these steps, you should be able to identify and resolve the issue related to the UAGENTABSEL121 error message in SAP.