How To Fix CNV_DMC_MC_EXCEPTION149 - No selection field has been selected

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 149

• Message text: No selection field has been selected

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION149 - No selection field has been selected ?

  The SAP error message CNV_DMC_MC_EXCEPTION149: No selection field has been selected 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 expects a selection field to be specified, but none has been provided.
  Cause:
  
  Missing Selection Criteria: The error usually arises when the user has not specified any selection criteria for the data migration or conversion process. This could be due to a user oversight or a misconfiguration in the migration settings.
  Configuration Issues: There may be issues with the configuration of the migration project, such as missing or incorrectly set parameters.
  User Interface Issues: Sometimes, the user interface may not display the selection fields correctly, leading to confusion.
  
  Solution:
  
  Specify Selection Fields: Ensure that you have selected the appropriate fields for the data selection. Go back to the selection screen and choose the necessary fields that are required for the migration process.
  Check Configuration: Review the configuration settings of your migration project. Make sure that all required parameters are set correctly and that the selection fields are properly defined.
  Review Documentation: Consult the SAP documentation or help resources related to the Data Migration Cockpit to understand the required fields and selection criteria for your specific migration scenario.
  User Interface Check: If you suspect a UI issue, try refreshing the screen or logging out and back into the system. If the problem persists, consider checking for any known issues or patches related to the version of SAP you are using.
  Consult SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit, which may provide guidance on how to properly set up and execute migration tasks.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the error and proceed with your data migration or conversion tasks.