How To Fix /UI5/CAT_APPS_IMPORT021 - Destination '&1' is not a trusted system

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/CAT_APPS_IMPORT -

• Message number: 021

• Message text: Destination '&1' is not a trusted system

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/CAT_APPS_IMPORT021 - Destination '&1' is not a trusted system ?

  The SAP error message /UI5/CAT_APPS_IMPORT021 Destination '&1' is not a trusted system typically occurs in the context of SAP Fiori or SAP UI5 applications when there is an issue with the configuration of the system landscape, particularly regarding the trust relationship between systems.
  Cause:
  
  Trust Relationship: The error indicates that the destination system (the one you are trying to connect to) is not recognized as a trusted system. This can happen if the destination is not properly configured in the SAP system's trust settings.
  Missing Configuration: The destination might not be defined correctly in the SAP Cloud Platform or in the SAP Gateway settings.
  Network Issues: There could be network issues preventing the systems from communicating properly.
  Authorization Issues: The user might not have the necessary authorizations to access the destination.
  
  Solution:
  
  
  Check Destination Configuration:
  
  Go to the SAP Cloud Platform cockpit or the relevant transaction in your SAP system (like SM59 for RFC destinations).
  Ensure that the destination is correctly configured and that the target system is reachable.
  
  
  
  Set Up Trust Relationship:
  
  If you are using SAP Gateway, ensure that the target system is added as a trusted system. This can be done by configuring the trust relationship using transaction STRUST or SM59.
  You may need to import the SSL certificates of the target system into the trust store of the source system.
  
  
  
  Check Network Connectivity:
  
  Verify that there are no network issues preventing access to the destination system. You can use tools like ping or telnet to check connectivity.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the destination. Check roles and authorizations assigned to the user.
  
  
  
  Check for Updates:
  
  Ensure that both systems are updated to the latest patches and versions, as sometimes bugs in earlier versions can cause such issues.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for more detailed steps on configuring trusted systems and destinations.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  Logs and Traces: Review system logs (like SM21) and traces to gather more information about the error and its context.
  
  By following these steps, you should be able to resolve the error message and establish a trusted connection between your SAP systems.