How To Fix SRT_WSP978 - You must not use defaults and specify an auth method at the same time.

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 978

• Message text: You must not use defaults and specify an auth method at the same time.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP978 - You must not use defaults and specify an auth method at the same time. ?

  The SAP error message SRT_WSP978 indicates that there is a conflict in the configuration of authentication methods for a web service. Specifically, it means that you are trying to use default authentication settings while also specifying a specific authentication method, which is not allowed.
  Cause:
  This error typically occurs in scenarios where:
  
  You have configured a web service in SAP PI/PO (Process Integration/Process Orchestration) or SAP Gateway.
  The service is set to use default authentication settings (like Basic Authentication or WS-Security).
  At the same time, you have explicitly defined an authentication method in the service configuration.
  
  Solution:
  To resolve this error, you need to ensure that you are not mixing default authentication settings with explicitly defined authentication methods. Here are the steps you can take:
  
  
  Check Service Configuration:
  
  Go to the configuration of the web service in SAP PI/PO or SAP Gateway.
  Look for the authentication settings.
  
  
  
  Remove Conflicting Settings:
  
  If you want to use a specific authentication method, remove any default authentication settings that are enabled.
  Conversely, if you want to use the default authentication, ensure that you do not specify any additional authentication methods.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, test the web service to ensure that the error is resolved.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation for the specific version you are using to understand the authentication options available and best practices for configuring them.
  
  
  
  Related Information:
  
  Authentication Methods: Common authentication methods in SAP web services include Basic Authentication, WS-Security, and OAuth. Each method has its own configuration requirements.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates related to this error message.
  Logs and Traces: If the issue persists, enable logging and tracing for the web service to gather more information about the error and its context.
  
  By following these steps, you should be able to resolve the SRT_WSP978 error and successfully configure your web service authentication.