How To Fix RSD_TREX028 - The BWA RFC connection is not the default connection

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 028

• Message text: The BWA RFC connection is not the default connection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX028 - The BWA RFC connection is not the default connection ?

  The SAP error message RSD_TREX028 indicates that the BWA (Business Warehouse Accelerator) RFC (Remote Function Call) connection is not set as the default connection. This can occur in scenarios where the system is trying to access the BWA but cannot find the appropriate connection settings.
  Cause:
  
  Incorrect Configuration: The BWA RFC connection may not be configured correctly in the SAP system.
  Multiple Connections: There may be multiple BWA connections defined, and the system is not able to identify which one to use as the default.
  Missing Default Setting: The default connection for BWA may not have been set, leading to this error when the system attempts to access BWA functionalities.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check BWA Connection Settings:
  
  Go to transaction code RSCONN01 in the SAP GUI.
  Check the list of BWA connections and ensure that one of them is marked as the default connection.
  
  
  
  Set Default Connection:
  
  If no connection is marked as default, select the appropriate BWA connection that you want to set as default.
  Use the option to set it as the default connection.
  
  
  
  Verify Connection:
  
  After setting the default connection, test the connection to ensure it is working correctly.
  You can do this by using the Test Connection option in the same transaction.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access the BWA and the RFC connection.
  
  
  
  Restart Services:
  
  In some cases, it may be necessary to restart the BWA services or the SAP system to apply the changes.
  
  
  
  Related Information:
  
  BWA Documentation: Refer to the official SAP documentation for detailed information on configuring and managing BWA connections.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to BWA connections and error messages.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the RSD_TREX028 error and ensure that the BWA RFC connection is properly configured as the default connection.