Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 718
Message text: Generation of DDIC structure (output format) for worklist
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The SAP error message CNV_PE718 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the generation of the Data Dictionary (DDIC) structure for the worklist, which is essential for mapping and transferring data from legacy systems to the SAP system. Causes of CNV_PE718 Error Missing or Incomplete Configuration: The configuration settings for the migration project may be incomplete or incorrect, leading to issues in generating the DDIC structure. Data Model Issues: There may be inconsistencies or errors in the data model that prevent the successful generation of the DDIC structure. Authorization Issues: The user executing the migration may not have the necessary authorizations to create or modify DDIC objects. Technical Issues: There could be underlying technical issues, such as database problems or system performance issues, that affect the generation process. Version Compatibility: The version of the
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