Message type: E = Error
Message class:  CNVA_00006_MSG - Message class for Content Based Search 
Message number: 135
Message text: No Custom Selection done
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The SAP error message CNVA_00006_MSG135 with the description "No Custom Selection done" typically occurs in the context of data migration or data transfer processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system expected a custom selection of data to be made, but none was provided.
Cause: No Data Selected: The user did not select any specific data for migration or processing.
Configuration Issues: There may be issues with the configuration of the migration project or the selection criteria. User Input Error: The user may have overlooked the selection options or not followed the required steps to make a selection.
Solution: Check Selection Criteria: Ensure that you have made the necessary selections in the migration cockpit or data transfer tool. Review the selection options and confirm that you have specified the data you want to migrate. Review Migration Project Configuration: Verify that the migration project is correctly configured and
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