Message type: E = Error
Message class:  CNV_PE_GEN - Messages for object generation 
Message number: 145
Message text: Selection program not found (not yet generated)
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The SAP error message CNV_PE_GEN145: Selection program not found (not yet generated) typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find a specific selection program that is required for the data migration process.
Cause: Missing Program Generation: The selection program that the system is trying to access has not been generated yet. This can happen if the necessary steps to generate the program were not completed. Incorrect Configuration: There may be issues with the configuration settings related to the data migration project. Transport Issues: If the relevant transport requests containing the necessary programs have not been imported into the system, this error can occur. Version Mismatch: The version of the migration tool or the data model may not be compatible with the current system setup.
Solution: Generate the Selection Program: Go to the
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