How To Fix SRT_WSP906 - Property "&2{&3}" of value "&1" is undefined

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 906

• Message text: Property "&2{&3}" of value "&1" is undefined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP906 - Property "&2{&3}" of value "&1" is undefined ?

  The SAP error message SRT_WSP906 indicates that there is an issue with a property that is expected to be defined but is not. This error typically occurs in the context of SAP Web Services, particularly when dealing with the SAP Process Integration (PI) or SAP Process Orchestration (PO) environments.
  Cause:
  The error message SRT_WSP906 is triggered when the system encounters a property that is referenced in a web service configuration but has not been defined or initialized. The placeholders in the message represent:
  
  &1: The value of the property that is being referenced.
  &2: The name of the property.
  &3: Additional context or details about the property.
  
  Common causes for this error include:
  
  Misconfiguration: The web service or integration scenario may be misconfigured, leading to missing properties.
  Missing or Incorrect Mapping: If the properties are supposed to be mapped from a source system or configuration and are not correctly set up, this error can occur.
  Versioning Issues: If there are changes in the web service definitions or versions, properties may become undefined.
  Transport Issues: If the configuration was transported from one system to another, some properties may not have been included.
  
  Solution:
  To resolve the SRT_WSP906 error, you can follow these steps:
  
  
  Check Configuration:
  
  Review the web service configuration in the SAP PI/PO system. Ensure that all required properties are defined and correctly set.
  Look for any missing or incorrectly configured parameters in the service interface or operation mappings.
  
  
  
  Validate Mappings:
  
  If the properties are supposed to be mapped from another source, verify that the source system is providing the necessary data and that the mappings are correctly defined.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages or warnings that might provide additional context about the missing property.
  
  
  
  Test the Web Service:
  
  Use tools like SOAP UI or Postman to test the web service and see if the error persists. This can help isolate whether the issue is with the service itself or the calling application.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific web service or integration scenario you are working with. There may be specific requirements or configurations that need to be met.
  
  
  
  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.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above steps, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide guidance on configuration best practices.
  Community Forums: Check SAP Community forums or other technical forums where similar issues may have been discussed.
  Documentation: Review the official SAP documentation for web services and integration scenarios to ensure compliance with best practices.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP906 error in your SAP environment.