How To Fix LTR2_UI_SL021 - RFC Destination &1 does not work: &2

LTR2_UI_SL021 - Overview

• Message type: E = Error

• Message class: LTR2_UI_SL -

• Message number: 021

• Message text: RFC Destination &1 does not work: &2

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.

Unfortunately, there isn't any extra information in this error notice.

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LTR2_UI_SL021 - Details

• The SAP error message LTR2_UI_SL021 indicates that there is an issue with an RFC (Remote Function Call) destination in your SAP system. The message typically states that the specified RFC destination does not work, and it provides additional details about the nature of the problem.
  Cause
  The error can be caused by several factors, including:
  
  Incorrect Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Target System Down: The target system that the RFC destination points to may be down or not reachable.
  Incorrect Parameters: The parameters set in the RFC destination may be incorrect or incomplete.
  
  Solution
  To resolve the issue, you can follow these steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the