How To Fix DMC_RT_GEN121 - Start delete function for migration object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_GEN - DMC: Nachrichten der Generierungfunktionen

• Message number: 121

• Message text: Start delete function for migration object &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 DMC_RT_GEN121 - Start delete function for migration object &1 ?

  The SAP error message DMC_RT_GEN121, which states "Start delete function for migration object &1," typically occurs in the context of data migration processes using the SAP Data Migration Cockpit (DMC). This error can arise during the execution of a migration project when the system encounters issues while trying to delete data related to a specific migration object.
  Causes:
  
  Data Integrity Issues: There may be dependencies or constraints in the database that prevent the deletion of certain records.
  Authorization Problems: The user executing the migration may not have the necessary permissions to perform delete operations on the specified migration object.
  Configuration Errors: The migration object may not be correctly configured, leading to issues when attempting to delete data.
  Technical Errors: There could be underlying technical issues, such as database locks or connectivity problems, that hinder the delete operation.
  
  Solutions:
  
  Check Data Integrity: Review the data relationships and dependencies to ensure that there are no constraints preventing the deletion of the records. You may need to manually resolve these dependencies.
  Verify Authorizations: Ensure that the user has the appropriate authorizations to perform delete operations on the migration object. You may need to consult with your SAP security team to adjust roles and permissions.
  Review Configuration: Check the configuration of the migration object in the Data Migration Cockpit. Ensure that all settings are correct and that the object is properly defined.
  Check Logs and Traces: Look at the application logs (transaction SLG1) and any relevant traces to gather more information about the error. This can provide insights into what went wrong during the delete operation.
  Database Locks: Investigate if there are any database locks that might be preventing the delete operation. You can use transaction SM12 to check for locks and resolve them if necessary.
  Retry the Operation: After addressing any identified issues, try to rerun the delete operation to see if the problem persists.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit to ensure that you are following the correct procedures for data deletion.
  Community Forums: Consider searching or posting in SAP community forums or SAP Community Network (SCN) for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.