Message type: E = Error
Message class:  CNV_CMIS_A_20_FUNC - Message texts for CNV_CMIS_A_20 function modules 
Message number: 005
Message text: Add a field name for table &1
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The SAP error message CNV_CMIS_A_20_FUNC005 typically occurs during data migration or conversion processes, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that a required field name for a specific table is missing or not properly defined in the context of the conversion process.
Cause: Missing Field Definition: The error usually arises when a field that is expected to be present in the data structure is not defined or is missing in the configuration. Incorrect Mapping: There may be an issue with the mapping of fields between the source and target systems, leading to the absence of a required field.
Configuration Issues: The configuration settings for the data migration might not be set up correctly, leading to incomplete or incorrect definitions of the fields.
Solution: Check Field Definitions: Review the configuration for the specific table mentioned in the error message. Ensure that all required fields are defined correctly. Update Mapping: If the error
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