How To Fix EE_SE_MSG120 - Proxy routing not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: EE_SE_MSG - IS-U Services Enabling Messaged

• Message number: 120

• Message text: Proxy routing not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EE_SE_MSG120 - Proxy routing not unique ?

  The SAP error message EE_SE_MSG120: Proxy routing not unique typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the routing of messages to the appropriate service or endpoint. This error indicates that the system has found multiple possible routes for a message, and it cannot determine which one to use.
  Causes:
  
  Multiple Service Interfaces: There may be multiple service interfaces defined that match the incoming message, leading to ambiguity in routing.
  Duplicate Receiver Determination: If there are multiple receiver determination rules that apply to the same message, the system cannot decide which one to use.
  Incorrect Configuration: Misconfiguration in the Integration Directory, such as overlapping or conflicting routing rules.
  Versioning Issues: Different versions of service interfaces or mappings that are not properly managed can lead to routing conflicts.
  
  Solutions:
  
  
  Review Receiver Determination:
  
  Check the receiver determination rules in the Integration Directory. Ensure that there are no overlapping rules that could cause ambiguity.
  If necessary, refine the conditions for the receiver determination to make them more specific.
  
  
  
  Check Service Interfaces:
  
  Verify that there are no duplicate service interfaces defined for the same message type. If duplicates exist, consolidate them or ensure they are uniquely identifiable.
  
  
  
  Adjust Routing Rules:
  
  Review the routing rules in the Integration Directory. Make sure that each rule is distinct and does not conflict with others.
  If you have multiple routes for the same message type, consider consolidating them or using more specific criteria to differentiate them.
  
  
  
  Test with Different Scenarios:
  
  Test the message routing with different scenarios to identify which specific conditions lead to the error. This can help in pinpointing the exact cause.
  
  
  
  Check for Version Conflicts:
  
  Ensure that the correct versions of service interfaces and mappings are being used. If there are multiple versions, make sure the correct one is active.
  
  
  
  Consult SAP Documentation:
  
  Refer to SAP's official documentation or support notes for any specific guidance related to your version of SAP PI/PO.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SXMB_MONI (for monitoring messages) or SPRO (for configuration) to investigate and resolve the issue.
  Logs and Traces: Check the logs and traces in the SAP system for more detailed error messages that can provide additional context about the routing issue.
  SAP Community: Engaging with the SAP Community or forums can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the EE_SE_MSG120 error in your SAP environment.