How To Fix DMCLG109 - Mapping rule &1 has been deleted on &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 109

• Message text: Mapping rule &1 has been deleted on &2

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 DMCLG109 - Mapping rule &1 has been deleted on &2 ?

  The SAP error message DMCLG109 indicates that a mapping rule has been deleted. This message typically arises in the context of data migration or data management processes, particularly when working with the Data Migration Cockpit or similar tools in SAP.
  Cause:
  
  Deleted Mapping Rule: The specific mapping rule referenced in the error message has been deleted from the system. This could happen due to manual deletion, changes in the data model, or updates to the migration project.
  Incorrect Configuration: The mapping rule may have been incorrectly configured or not properly saved before the operation was executed.
  Versioning Issues: If multiple versions of mapping rules exist, the system might be referencing an outdated or deleted version.
  
  Solution:
  
  Check Mapping Rules: Go to the relevant transaction or application where mapping rules are defined (e.g., Data Migration Cockpit) and verify if the mapping rule still exists. If it has been deleted, you may need to recreate it.
  Restore Deleted Rules: If the mapping rule was deleted accidentally, check if there is a backup or version history from which you can restore the deleted mapping rule.
  Reconfigure Mapping: If the mapping rule is essential for your data migration or processing, you will need to create a new mapping rule that meets the required specifications.
  Review Documentation: Consult the documentation or guidelines for the specific migration or data management process you are working with to ensure that all necessary mapping rules are in place.
  Check for Dependencies: Ensure that there are no dependencies or other mapping rules that rely on the deleted rule, as this could cause further issues.
  
  Related Information:
  
  Transaction Codes: Depending on your SAP version, you may use transaction codes like LTMC (for the Data Migration Cockpit) or LTMOM (for the Migration Object Modeler) to manage mapping rules.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message DMCLG109. SAP frequently updates its knowledge base with solutions for common problems.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP support team for assistance.
  
  By following these steps, you should be able to address the DMCLG109 error and ensure that your mapping rules are correctly configured for your data migration or management tasks.