Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 151
Message text: Document type or attachment type does not exist
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The SAP error message CNV_CDMC_CA151 indicates that a document type or attachment type does not exist in the system. This error typically arises during data migration or when trying to access or process documents that are expected to be linked to a specific document type or attachment type that has not been defined in the system. Causes: Missing Configuration: The document type or attachment type has not been configured in the SAP system. Incorrect Input: The document type or attachment type being referenced is misspelled or does not match any existing types in the system. Data Migration Issues: During data migration, the mapping of document types or attachment types may not have been set up correctly. Transport Issues: If the configuration was transported from another system, it may not have been included or may have failed during the transport process. Solutions: Check Configuration: Go to the relevant configuration transaction (e.g., OAC2 for document types) and verify that the
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