Message type: E = Error
Message class:  CNV_PE_BOD - Messages in context of OBT/ES interaction 
Message number: 004
Message text: Embedded specification not valid
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The SAP error message CNV_PE_BOD004: Embedded specification not valid typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: Invalid Configuration: The error often arises when there is an issue with the embedded specification in the migration or conversion process. This could be due to: Incorrect or incomplete configuration of the data mapping. Missing or invalid entries in the specification that define how data should be transformed or migrated. The specification may reference objects or fields that do not exist or are not accessible in the current context. Data Model Changes: If there have been changes to the data model (e.g., changes in the source or target system), the embedded specifications may no longer be valid. Version Mismatch: Using an outdated version of the migration tool or not aligning the specifications with the
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