How To Fix SRT_WSP028 - Specified subject does not have type "Binding"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 028

• Message text: Specified subject does not have type "Binding"

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP028 - Specified subject does not have type "Binding" ?

  The SAP error message SRT_WSP028 indicates that there is an issue with the configuration of a web service in SAP, specifically related to the subject not having the expected type "Binding." This error typically arises in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with web services.
  Cause:
  The error can occur due to several reasons:
  
  Incorrect WSDL Configuration: The Web Services Description Language (WSDL) file may not be correctly defined, leading to a mismatch in the expected binding type.
  Service Endpoint Issues: The endpoint defined in the service may not be correctly set up or may not correspond to the expected binding type.
  Service Registry Issues: If the service is registered in a service registry, there may be inconsistencies or misconfigurations in the registry.
  Version Mismatch: There may be a version mismatch between the service consumer and the service provider, leading to incompatibility in the expected bindings.
  
  Solution:
  To resolve the SRT_WSP028 error, you can follow these steps:
  
  
  Check WSDL: Verify the WSDL file for the web service. Ensure that the binding is correctly defined and matches the expected type. You can use tools like SOAP UI to validate the WSDL.
  
  
  Review Service Configuration: Go to the SAP PI/PO configuration and check the service definitions. Ensure that the service endpoint and binding type are correctly configured.
  
  
  Update Service Registry: If you are using a service registry, ensure that the service is correctly registered and that the binding type is accurately reflected.
  
  
  Test with Different Clients: If possible, test the web service with different clients to see if the issue persists. This can help identify if the problem is with the service or the client.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes related to web service handling.
  
  
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Debugging: If you have access to the backend, consider enabling debugging for the web service to get more detailed logs that can help identify the root cause.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for web services and SAP PI/PO for detailed configuration guidelines.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP028 error in your SAP environment.