Message type: E = Error
Message class:  CNV_20306_CHECK - Message Class for package CNV_20306_CHECK 
Message number: 004
Message text: No mapping provided
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The SAP error message CNV_20306_CHECK004: No mapping provided typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of a conversion project. This error indicates that there is a missing mapping for a specific data element that is required for the conversion process.
Cause: Missing Mapping Configuration: The most common cause of this error is that the mapping for a specific field or data element has not been defined in the mapping configuration. This can happen if the mapping was not set up correctly or if the required mapping was overlooked during the configuration process. Incorrect Data Source: The data source being used for the migration may not have the necessary mappings defined, or the source data may not align with the expected structure in the target system. Incompatibility Issues: There may be incompatibilities between the source and target data structures, leading to the absence
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