How To Fix XSS_CAT_BLP018 - Web Dynpro: RFC request &1 (employee &2) is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: XSS_CAT_BLP - Messages of ESS-CATS Business Layer

• Message number: 018

• Message text: Web Dynpro: RFC request &1 (employee &2) is unknown

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message XSS_CAT_BLP018 - Web Dynpro: RFC request &1 (employee &2) is unknown ?

  The SAP error message XSS_CAT_BLP018 typically occurs in the context of Web Dynpro applications when there is an issue with an RFC (Remote Function Call) request. The message indicates that the specified RFC request for a particular employee is unknown, which can be caused by several factors. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Invalid RFC Destination: The RFC destination may not be correctly configured or may not exist in the system.
  Employee Data Issues: The employee ID specified in the request may not exist in the system or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the requested data.
  System Configuration: There may be issues with the configuration of the Web Dynpro application or the backend system.
  Network Issues: There could be network connectivity problems between the Web Dynpro application and the backend system.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify that the RFC destination used by the Web Dynpro application is correctly configured and active.
  Test the connection to ensure it is working properly.
  
  
  
  Verify Employee Data:
  
  Check if the employee ID mentioned in the error message exists in the system. You can do this by using transaction PA20 (Display HR Master Data) or similar transactions.
  Ensure that the employee record is active and not archived or deleted.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the Web Dynpro application has the necessary authorizations to access the employee data. You can check this using transaction SU53 after the error occurs to see if there are any authorization failures.
  
  
  
  Check Web Dynpro Configuration:
  
  Review the configuration of the Web Dynpro application to ensure that it is set up correctly and that all necessary components are in place.
  Check for any recent changes or updates that may have affected the application.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing the Web Dynpro application from communicating with the backend system. This may involve checking firewalls, network settings, or server availability.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Logs and Traces: Use transaction SLG1 to check application logs for more detailed error messages that may provide additional context.
  Web Dynpro Debugging: If you have access, consider debugging the Web Dynpro application to trace the execution flow and identify where the error occurs.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.