How To Fix /SCWM/LM_UI_EPD020 - Error while accessing RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/LM_UI_EPD -

• Message number: 020

• Message text: Error while accessing RFC destination &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 /SCWM/LM_UI_EPD020 - Error while accessing RFC destination &1 ?

  The SAP error message /SCWM/LM_UI_EPD020 typically indicates an issue with accessing a Remote Function Call (RFC) destination in the SAP system. This error can occur in the context of SAP Extended Warehouse Management (EWM) or other modules that rely on RFC connections.
  Cause:
  
  RFC Destination Configuration: The RFC destination specified in the error message may not be correctly configured. This could include incorrect connection parameters, such as the target system, user credentials, or network settings.
  Network Issues: There may be network connectivity issues between the SAP system and the target system defined in the RFC destination.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  System Availability: The target system may be down or not available for some reason, leading to the inability to establish a connection.
  SAP Notes: There may be specific SAP Notes related to the version of SAP you are using that address known issues with RFC connections.
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the error message.
  Verify the connection parameters, including the target host, system number, client, user, and password.
  Test the connection using the "Test Connection" button to ensure it is working correctly.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing access to the target system. You can use tools like ping or telnet to check connectivity to the target host and port.
  
  
  
  User Authorizations:
  
  Check the user credentials used for the RFC connection. Ensure that the user has the necessary authorizations to access the target system.
  
  
  
  System Availability:
  
  Verify that the target system is up and running. You can check the system status or consult with your Basis team to confirm its availability.
  
  
  
  Review SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SLG1: Application Log
  SM21: System Log
  
  
  SAP Notes: Always check the SAP Support Portal for any relevant notes that may provide fixes or workarounds for known issues.
  Documentation: Refer to the SAP Help Portal for documentation on configuring and troubleshooting RFC connections.
  
  If the issue persists after following these steps, it may be necessary to involve your SAP Basis team or SAP support for further assistance.