Message type: E = Error
Message class:  CNV_10210 - NCE: CWB Interface 
Message number: 104
Message text: Check routine found no errors
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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The SAP error message CNV_10210104: Check routine found no errors typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools. This message indicates that the check routine executed successfully and did not find any errors in the data being processed.
Cause: Successful Validation: The message indicates that the data being checked has passed all validation rules defined in the check routine. This means that there are no issues with the data format, integrity, or consistency as per the defined criteria. No Data Issues: It may also imply that the data being processed is already in a correct state, and no further action is required.
Solution: Since the message indicates that no errors were found, there is typically no action required. However, if you are expecting errors or issues to be flagged, consider the following steps: Review Data: Ensure that the data
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