How To Fix /UI2/CORE_FES012 - Mapping system alias &1 to SM59 destination &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CORE_FES -

• Message number: 012

• Message text: Mapping system alias &1 to SM59 destination &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CORE_FES012 - Mapping system alias &1 to SM59 destination &2 ?

  The SAP error message /UI2/CORE_FES012 typically indicates an issue with the mapping of a system alias to a specific SM59 (SAP NetWeaver RFC) destination. This error can occur in the context of SAP Fiori applications or when using the SAP Gateway.
  Cause:
  
  Missing or Incorrect Configuration: The system alias defined in the Fiori Launchpad or Gateway configuration does not have a corresponding RFC destination in transaction SM59.
  Network Issues: There may be network connectivity issues preventing the system from reaching the specified destination.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  Incorrect System Alias: The system alias used in the configuration might be incorrect or not defined properly.
  
  Solution:
  
  
  Check System Alias Configuration:
  
  Go to transaction /IWFND/MAINT_SERVICE and check the system alias configuration.
  Ensure that the system alias is correctly defined and points to the right backend system.
  
  
  
  Verify SM59 Configuration:
  
  Open transaction SM59 and check the RFC destination that corresponds to the system alias.
  Ensure that the destination is correctly configured, active, and that the connection test is successful.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing the connection to the backend system.
  You can use tools like ping or telnet to check connectivity to the backend server.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the RFC destination.
  Check the roles and authorizations assigned to the user in transaction PFCG.
  
  
  
  Check for Transport Issues:
  
  If the configuration was recently transported, ensure that all necessary objects were transported correctly.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: For managing OData services and system aliases.
  SM59: For managing RFC destinations.
  PFCG: For role maintenance and authorization checks.
  
  
  
  Documentation: Refer to the SAP Help Portal for documentation on configuring Fiori and Gateway services, as well as troubleshooting RFC connections.
  
  
  SAP Community: You can also search for similar issues on the SAP Community forums, where other users may have encountered and resolved the same error.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the /UI2/CORE_FES012 error message.