Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 123
Message text: Canceled by user &1
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_20100123 Canceled by user &1 typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This message indicates that the process was manually canceled by the user identified by the user ID &1.
Cause: User Intervention: The most straightforward cause is that the user intentionally canceled the process. This could be due to a variety of reasons, such as realizing that the wrong data was being processed, needing to stop the operation for any reason, or encountering unexpected issues. Timeouts or Long Processing Times: If the process takes too long, users may decide to cancel it. Errors in Data: If there are issues with the data being processed, users might cancel the operation to investigate further.
Solution: Review Logs: Check the logs for any additional error messages or warnings that might indicate why the process was canceled. This can provide insights
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