Message type: E = Error
Message class: DRF_OUTBOUND - Messages for Outbound Services
Message number: 028
Message text: Class &1 is not &2 nor its subordinate class
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DRF_OUTBOUND028
- Class &1 is not &2 nor its subordinate class ?The SAP error message DRF_OUTBOUND028 indicates that there is an issue with the classification of a product or object in the context of the Data Replication Framework (DRF). Specifically, the message states that the class specified in the operation is not the expected class or a subordinate class of the expected class.
Cause: This error typically occurs due to one of the following reasons: Incorrect Class Assignment: The object being processed is assigned to a class that does not match the expected class or its subclasses.
Configuration Issues: There may be a misconfiguration in the classification settings or in the DRF settings that define which classes are valid for replication. Data Integrity Issues: The data in the system may have inconsistencies, such as missing or incorrect class assignments for the objects being replicated.
Solution: To resolve the error, you can take the following steps: Check Class Assignment: Verify the class assignment of the object that is causing the error.
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