Message type: E = Error
Message class:  CNV_CMIS_A_20_FUNC - Message texts for CNV_CMIS_A_20 function modules 
Message number: 004
Message text: Table &1 does not exist; enter a valid table name
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The SAP error message CNV_CMIS_A_20_FUNC004 indicates that a specific table referenced in a conversion or migration process does not exist in the system. This error typically arises during data migration or conversion activities, particularly when using tools like SAP's Conversion Management Information System (CMIS).
Cause: Non-existent Table: The table name provided in the error message does not exist in the database. This could be due to a typo or an incorrect reference. Incorrect Configuration: The configuration settings for the migration or conversion process may be pointing to an incorrect or outdated table. Missing Transport: The table may not have been transported to the system if it was created in a different environment (e.g., development or quality assurance). Authorization Issues: The user executing the process may not have the necessary authorizations to access the table, leading to the perception that it does not exist.
Solution: Verify Table Name: Check the table name mentioned in the error message for
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