How To Fix CNV_DMC_MC_EXCEPTION148 - Action cancelled; no selection field determined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 148

• Message text: Action cancelled; no selection field determined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION148 - Action cancelled; no selection field determined ?

  The SAP error message CNV_DMC_MC_EXCEPTION148: Action cancelled; no selection field determined typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the system was unable to determine a selection field for the action you were trying to perform, which leads to the cancellation of that action.
  Causes:
  
  Missing Selection Criteria: The most common cause is that the selection criteria required for the action are not defined or are missing. This could happen if the configuration for the migration object is incomplete.
  Incorrect Configuration: The migration object may not be properly configured, leading to the system not being able to identify the necessary fields for selection.
  Data Model Issues: There may be issues with the underlying data model or mapping that prevent the system from determining the selection fields.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain fields or data, which can lead to this error.
  
  Solutions:
  
  Check Selection Criteria: Review the selection criteria defined for the migration object. Ensure that all necessary fields are included and correctly configured.
  Review Configuration: Go through the configuration settings of the migration object in the DMC. Make sure that all required fields are mapped and that the object is set up correctly.
  Validate Data Model: Ensure that the data model used for the migration is correct and that all necessary relationships and mappings are in place.
  User Authorizations: Verify that the user executing the migration has the appropriate authorizations to access the required fields and data.
  Consult Documentation: Refer to the SAP documentation for the specific migration object you are working with to ensure that you are following the correct procedures and configurations.
  Check for Notes and Updates: Look for any SAP Notes or updates related to the DMC or the specific migration object that might address known issues or bugs.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant notes that might provide additional insights or fixes related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (Legacy Transfer Migration Cockpit) or DMC (Data Migration Cockpit) for further troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for more in-depth assistance.