How To Fix KMAT_MIGR121 - An exception occurred during DB deletion from table &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: KMAT_MIGR - Message Class for Migration of Variants to IBase

• Message number: 121

• Message text: An exception occurred during DB deletion from table &1.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KMAT_MIGR121 - An exception occurred during DB deletion from table &1. ?

  The SAP error message KMAT_MIGR121 indicates that an exception occurred during a database deletion operation from a specified table. This error is typically related to the migration of configurable materials (KMAT) in SAP, particularly when dealing with the deletion of entries in the database that are no longer needed or are being replaced.
  Possible Causes:
  
  Database Locking Issues: The table may be locked by another transaction, preventing the deletion from occurring.
  Foreign Key Constraints: There may be foreign key constraints that prevent the deletion of records from the specified table.
  Data Integrity Issues: The data being deleted may not meet the integrity constraints defined in the database.
  Authorization Issues: The user executing the deletion may not have the necessary permissions to perform the operation.
  System Errors: There could be underlying system errors or inconsistencies in the database.
  
  Solutions:
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the table. If locks are found, you may need to wait for the locks to be released or contact the user holding the lock.
  Review Foreign Key Constraints: Check if there are any foreign key constraints that are preventing the deletion. You may need to delete dependent records first.
  Data Validation: Ensure that the data you are trying to delete is valid and does not violate any integrity constraints.
  User Authorizations: Verify that the user has the necessary authorizations to perform the deletion. You can check this using transaction SU53 after the error occurs.
  Check for System Errors: Review the system logs (transaction SM21) for any related errors that might provide more context on the issue.
  Consult SAP Notes: Look for any relevant SAP Notes that might address this specific error. You can search the SAP Support Portal for updates or patches that may resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SM37 (Job Monitoring) to investigate the issue further.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the KMAT_MIGR121 error effectively.