DRF_OUTBOUND028 - Class &1 is not &2 nor its subordinate class

SAP Error Message - Details

• 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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 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. Ensure that it is assigned to the correct class or a subclass of the expected class.
  You can do this by navigating to the relevant transaction (e.g., CL02 for class display) and checking the class hierarchy.
  
  
  
  Review DRF Configuration:
  
  Check the configuration settings in the Data Replication Framework to ensure that the classes defined for replication are correct.
  Ensure that the replication model is set up correctly and that the classes involved are included in the model.
  
  
  
  Data Consistency Check:
  
  Perform a data consistency check to identify any discrepancies in the classification of objects. This may involve running reports or using transaction codes that help identify inconsistencies.
  
  
  
  Adjust Class Hierarchy:
  
  If necessary, adjust the class hierarchy to ensure that the expected class is correctly defined and that all relevant subclasses are included.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to DRF and class assignments for any specific guidelines or updates that may apply to your version of SAP.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the replication process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may find it useful to use transaction codes such as CL02 (Display Class), CL03 (Display Class Hierarchy), and DRFOUT (Data Replication Framework Outbound) to investigate and resolve the issue.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the DRF_OUTBOUND028 error message in your SAP system.