How To Fix DRF_OUTBOUND126 - The repl. model &1 already contains an OI for the replication of BO &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DRF_OUTBOUND - Messages for Outbound Services

• Message number: 126

• Message text: The repl. model &1 already contains an OI for the replication of BO &2

What causes this issue?

You created different outbound implementations for the same business
object in a replication model. Each business object can exist only once
for a replication model.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DRF_OUTBOUND126 - The repl. model &1 already contains an OI for the replication of BO &2 ?

  The SAP error message DRF_OUTBOUND126 indicates that there is an issue with the Outbound Interface (OI) for a specific Business Object (BO) in the context of Data Replication Framework (DRF). Specifically, it means that the replication model already contains an Outbound Interface for the specified Business Object, which is causing a conflict.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate Configuration: The replication model has been configured to include the same Business Object more than once, leading to a conflict.
  Incorrect Model Setup: The replication model may not have been set up correctly, or there may be an attempt to add an Outbound Interface that already exists for the specified Business Object.
  Data Consistency Issues: There may be inconsistencies in the configuration or data that lead to the system recognizing the same Outbound Interface for the Business Object.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Replication Model Configuration:
  
  Go to the transaction code DRFOUT (or the relevant transaction for managing replication models).
  Review the replication model associated with the Business Object in question.
  Ensure that the Outbound Interface for the Business Object is not duplicated.
  
  
  
  Remove Duplicate Entries:
  
  If you find that the Outbound Interface is indeed duplicated, remove the duplicate entry from the replication model.
  Save the changes and try to execute the replication process again.
  
  
  
  Validate Configuration:
  
  Ensure that the configuration for the replication model is correct and aligns with the intended design.
  Check for any other related settings that might affect the replication process.
  
  
  
  Check for Transport Issues:
  
  If the configuration was recently transported from another system, ensure that the transport did not cause any inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to DRF and the specific Business Object for any additional guidance or known issues.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test replication to ensure that the issue has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DRFOUT (for managing replication models) and DRF1 (for monitoring replication).
  SAP Notes: Check SAP Notes for any updates or patches related to DRF that might address known issues or bugs.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the DRF_OUTBOUND126 error and ensure that your replication model is correctly configured for the Business Object in question.