Message type: E = Error
Message class:  CNV - Conversion: Messages for Conversion Services (CNCC) 
Message number: 821
Message text: Program &1 could not be created in DDIC
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The SAP error message CNV821 "Program &1 could not be created in DDIC" typically occurs during the execution of a conversion or migration program, particularly in the context of SAP's data migration tools. This error indicates that the system was unable to create a program in the Data Dictionary (DDIC) for the specified object. Causes: Authorization Issues: The user executing the program may not have the necessary authorizations to create objects in the Data Dictionary. Naming Conflicts: There may be a naming conflict with an existing program or object in the DDIC. Transport Issues: If the system is in a transport environment, there may be issues with the transport layer or the transport directory. System Configuration: There may be configuration issues in the SAP system that prevent the creation of new programs. Technical Errors: There could be underlying technical issues, such as database problems or inconsistencies in the system. Solutions: Check Authorizations: Ensure that the user has the
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