Message type: E = Error
Message class:  CNV_CDMC_CC - CDMC - Messages for the Control Center 
Message number: 012
Message text: Select a row for this function
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The SAP error message CNV_CDMC_CC012: Select a row for this function typically occurs in the context of data conversion or migration processes, particularly when using the SAP Conversion Tools or during the execution of a specific function that requires a selection of data rows.
Cause: This error usually arises when: No Row Selected: The user has not selected any row in the relevant table or list where the function is being applied. Invalid Context: The function being executed requires a specific context or selection that has not been met. User Interface Issue: There may be a problem with the user interface where the selection is not being registered correctly.
Solution: To resolve the CNV_CDMC_CC012 error, you can try the following steps: Select a Row: Ensure that you have selected at least one row in the relevant table or list before executing the function. Click on the row you want to work with. Check Filters: If there are any filters
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