How To Fix DRF_OUTBOUND139 - Select only one system as the main system for &1

DRF_OUTBOUND139 - Overview

• Message type: E = Error

• Message class: DRF_OUTBOUND - Messages for Outbound Services

• Message number: 139

• Message text: Select only one system as the main system for &1

Self-Explanatory Message

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DRF_OUTBOUND139 - Details

• The SAP error message DRF_OUTBOUND139 indicates that there is an issue with the configuration of the Data Replication Framework (DRF) in SAP. Specifically, it suggests that multiple systems have been designated as the main system for a particular object, which is not allowed. The error message typically appears when you are trying to set up or execute data replication and the system detects that more than one system is marked as the main system for the same object.
  
  Cause:
  The primary cause of this error is that in the configuration of the Data Replication Framework, multiple systems have been incorrectly set as the main system for the same data object. This can happen due to:
  
  Incorrect configuration in the DRF settings.
  Duplicate entries in the configuration tables.
  Changes made to the system landscape that were not properly reflected in the DRF settings.
  
  
  Solution:
  To resolve the DRF_OUTBOUND139 error, follow these steps:
  
  
  Check Configuration:
  
  Go to the DRF configuration transaction