How To Fix LTR2_UI101 - The RFC destination must not be empty

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_UI -

• Message number: 101

• Message text: The RFC destination must not be empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_UI101 - The RFC destination must not be empty ?

  The SAP error message LTR2_UI101 with the description "The RFC destination must not be empty" typically occurs when a required Remote Function Call (RFC) destination is not specified in the configuration of a particular transaction or function module. This error is often encountered in scenarios involving integration with external systems or when using certain SAP applications that rely on RFC connections.
  Cause:
  
  Missing RFC Destination: The most common cause of this error is that the RFC destination has not been defined or is not correctly configured in the SAP system.
  Incorrect Configuration: The RFC destination may be incorrectly configured, leading to it being recognized as empty.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  System Settings: The system settings or parameters may not be correctly set up to recognize the RFC destination.
  
  Solution:
  
  
  Define RFC Destination:
  
  Go to transaction SM59 (RFC Destinations).
  Check if the required RFC destination is defined. If not, create a new RFC destination by clicking on "Create" and filling in the necessary details (e.g., target host, system number, client, etc.).
  
  
  
  Check Configuration:
  
  Ensure that the RFC destination is correctly configured. Verify the connection parameters, such as the target system's IP address, port, and any required logon credentials.
  Test the connection using the "Connection Test" option in SM59 to ensure it is working correctly.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the RFC destination. This may involve checking user roles and profiles in transaction SU01.
  
  
  
  Review Application Settings:
  
  If the error occurs in a specific application or transaction, check the application settings to ensure that the correct RFC destination is specified.
  Sometimes, the application may have a configuration table where the RFC destination is defined. Ensure that this is populated correctly.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult the documentation for the specific SAP module or application you are working with, as there may be additional configuration steps required.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SU01: User Maintenance
  ST22: Dump Analysis (to check for any related dumps)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. You can search for the error message or related keywords in the SAP Support Portal.
  
  
  Logs and Traces: If troubleshooting is needed, consider enabling logs or traces to gather more information about the error context.
  
  
  By following these steps, you should be able to resolve the error message LTR2_UI101 and ensure that the RFC destination is correctly configured and accessible.