How To Fix SRT_WSP811 - Invalid assignment type '&2' for assignment '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 811

• Message text: Invalid assignment type '&2' for assignment '&1'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP811 - Invalid assignment type '&2' for assignment '&1' ?

  The SAP error message SRT_WSP811 indicates that there is an issue with the assignment type in a web service scenario. Specifically, it states that the assignment type '&2' is invalid for the assignment '&1'. This error typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with web services.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Configuration: The assignment type specified in the web service configuration does not match the expected types defined in the system.
  Data Type Mismatch: The data types being used in the web service call do not align with what is expected by the service.
  Service Definition Issues: There may be issues with the WSDL (Web Services Description Language) file or the service definition that is being used.
  Mapping Errors: If there is a mapping involved, the mapping might be incorrectly defined, leading to an invalid assignment type.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration: Review the configuration of the web service in the SAP system. Ensure that the assignment types are correctly defined and match the expected values.
  
  
  Validate Data Types: Ensure that the data types being sent in the request match the expected data types defined in the service. This includes checking the structure of the input and output messages.
  
  
  Review WSDL: If you are using a WSDL file, check it for correctness. Ensure that the service definitions and data types are properly defined.
  
  
  Mapping Review: If there is a mapping involved, review the mapping logic to ensure that it correctly translates the data from the source to the target format.
  
  
  Debugging: Use the SAP PI/PO monitoring tools to trace the message flow and identify where the error occurs. This can provide insights into what might be going wrong.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for any specific notes related to the error message SRT_WSP811, as there may be additional context or updates available.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SXMB_MONI for monitoring messages in SAP PI/PO, which can help in diagnosing the issue.
  
  By following these steps, you should be able to identify the root cause of the SRT_WSP811 error and implement a solution to resolve it.