Message type: E = Error
Message class:  CNV_PE_SEL -  
Message number: 023
Message text: Preselection environment has been prepared
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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The SAP error message CNV_PE_SEL023 typically indicates that the preselection environment for a data migration or conversion process has been successfully prepared. This message is not necessarily an error but rather an informational message indicating that the system has completed a step in the data migration process.
Cause: The message is generated during the execution of a data migration or conversion program, particularly when using SAP's Conversion Tools (like SAP S/4HANA Migration Cockpit or other data migration tools). It signifies that the preselection of data has been completed, and the system is ready for the next steps in the migration process.
Solution: Since this message is informational, there is usually no action required unless you encounter subsequent errors or issues. However, if you are expecting a different outcome or if the process does not proceed as expected, consider the following steps: Check Logs: Review the logs or output messages following this message to see if there
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