How To Fix WES_OUTBOUND015 - Error during proxy call (&1: &2, &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 015

• Message text: Error during proxy call (&1: &2, &3)

What causes this issue?

An error occurred during the proxy call for the service.
The error text is:
Longtext:

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

System Response

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 WES_OUTBOUND015 - Error during proxy call (&1: &2, &3) ?

  The SAP error message:
  WES_OUTBOUND015 Error during proxy call (&1: &2, &3)
  typically occurs in the context of SAP PI/PO (Process Integration/Process Orchestration) or SAP middleware scenarios where a proxy call from SAP to an external system or another SAP system fails.
  
  Cause
  This error indicates that an error occurred during the outbound proxy call. The placeholders (&1, &2, &3) provide specific details about the error:
  
  &1: The name of the proxy or interface.
  &2: The error message or error code returned.
  &3: Additional details or technical information about the error.
  
  Common causes include:
  
  Network or connectivity issues between the SAP system and the target system.
  Incorrect configuration of the communication channel or logical port.
  Authentication or authorization failures.
  Payload or message format issues.
  Runtime errors in the target system or adapter.
  Timeout or system unavailability.
  
  
  Solution
  To resolve the error, follow these steps:
  
  
  Check the Detailed Error Message:
  
  Look at the full error message with the placeholders replaced to understand the exact problem.
  Check the short dump (transaction ST22) or system logs (SM21) for more details.
  
  
  
  Verify Communication Channel and Logical Port:
  
  In transaction SOAMANAGER or SPROXY, verify that the logical port used for the outbound proxy is correctly configured.
  Check the endpoint URL, authentication details, and SSL settings.
  
  
  
  Test Connectivity:
  
  Use transaction SM59 to test the RFC destination or HTTP connection to the target system.
  Ensure the target system is reachable and responsive.
  
  
  
  Check Network and Firewall:
  
  Ensure there are no network issues or firewall blocks preventing communication.
  
  
  
  Review Proxy and Interface Definitions:
  
  Verify that the proxy interface and message types are correctly defined and consistent between sender and receiver.
  Regenerate the proxy classes if necessary.
  
  
  
  Check Authentication and Authorization:
  
  Confirm that the user credentials used for the proxy call have the necessary permissions.
  Check for expired passwords or locked users.
  
  
  
  Analyze Payload and Message Format:
  
  Ensure the message payload conforms to the expected format.
  Use transaction SXMB_MONI or SXI_MONITOR to monitor messages and check for errors.
  
  
  
  Check Target System Logs:
  
  If possible, check the logs or error messages on the target system to identify issues.
  
  
  
  Increase Timeout Settings:
  
  If timeouts are suspected, increase the timeout values in the communication channel or logical port.
  
  
  
  Apply SAP Notes:
  
  Search for relevant SAP Notes using the exact error message or error code for known issues and fixes.
  
  
  
  
  Related Information
  
  
  Transactions:
  
  SPROXY – Proxy generation and configuration.
  SOAMANAGER – Web service configuration.
  SM59 – RFC destination test.
  SXMB_MONI / SXI_MONITOR – Message monitoring.
  ST22 – ABAP runtime errors.
  SM21 – System log.
  
  
  
  SAP Notes:
  
  Search SAP Support Portal for notes related to WES_OUTBOUND015 or proxy call errors.
  Example notes might address specific adapter or proxy issues.
  
  
  
  Documentation:
  
  SAP Help Portal on Proxy Communication.
  SAP PI/PO integration guides.
  
  
  
  
  If you provide the exact values of &1, &2, &3 from your error message, I can help analyze the specific cause further.