How To Fix ISLM_DI_GEN143 - Unknown error. CouldnÆt read RFC Destination &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_DI_GEN - DI Messages

• Message number: 143

• Message text: Unknown error. CouldnÆt read RFC Destination &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISLM_DI_GEN143 - Unknown error. CouldnÆt read RFC Destination &1. ?

  The SAP error message ISLM_DI_GEN143, which states "Unknown error. Couldn't read RFC Destination &1," typically indicates that there is an issue with the Remote Function Call (RFC) destination specified in the system. This error can occur in various scenarios, such as when trying to connect to another SAP system or when accessing external services.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination specified may not be correctly configured in the SAP system.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system.
  Authorization Issues: The user or service account may not have the necessary authorizations to access the specified RFC destination.
  Destination Not Defined: The RFC destination may not exist in the system or may have been deleted.
  System Errors: There could be underlying system errors or inconsistencies that are causing the RFC destination to be unreadable.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Look for the RFC destination specified in the error message.
  Verify that the destination is correctly configured (e.g., connection type, target host, system number, etc.).
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Test Connection" option to check if the connection can be established successfully.
  If the test fails, review the error message for more details.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing the SAP system from reaching the target system.
  You can use tools like ping or telnet to check connectivity to the target host.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account used for the RFC connection has the necessary authorizations to access the target system.
  
  
  
  Check for System Errors:
  
  Review system logs (transaction SM21) and short dumps (transaction ST22) for any related errors that might provide more context.
  
  
  
  Recreate the RFC Destination:
  
  If the destination is missing or corrupted, consider recreating it in transaction SM59.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SU01: User Maintenance (to check user authorizations)
  
  
  
  SAP Notes: Check SAP Notes related to RFC issues for any specific patches or updates that may address known issues.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring and troubleshooting RFC destinations.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.