How To Fix CNV_PE_SEL066 - MT_ID successfully unassigned

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_SEL -

• Message number: 066

• Message text: MT_ID successfully unassigned

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_SEL066 - MT_ID successfully unassigned ?

  The SAP error message CNV_PE_SEL066 with the description "MT_ID successfully unassigned" typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other data transfer tools.
  Cause:
  This message indicates that a specific Migration Tool ID (MT_ID) has been successfully unassigned from a particular object or entity in the system. This can happen for several reasons, including:
  
  Data Migration Process: During the data migration process, certain records or objects may no longer be needed, leading to their unassignment.
  Manual Intervention: A user may have manually unassigned the MT_ID from an object as part of data cleansing or preparation activities.
  Configuration Changes: Changes in the configuration or mapping of data may result in the unassignment of certain MT_IDs.
  
  Solution:
  To address this error, consider the following steps:
  
  Review Migration Logs: Check the migration logs for any additional messages or warnings that may provide context on why the MT_ID was unassigned.
  Verify Data Mapping: Ensure that the data mapping and transformation rules are correctly defined. If the MT_ID is essential for the migration, verify that it is still valid and correctly assigned.
  Check for Dependencies: Investigate if there are any dependencies or relationships that require the MT_ID to be assigned. If so, reassign it as necessary.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using for any guidelines or best practices regarding MT_ID assignments.
  Re-run Migration: If the unassignment was unintentional, you may need to re-run the migration process or specific steps to ensure that the MT_ID is correctly assigned again.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  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 is critical to your operations, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose the cause of the CNV_PE_SEL066 error and take appropriate action to resolve it.