How To Fix /IWFND/CM_BEC020 - RFC Error: SAP GW is not a trusted system or the security key is invalid

/IWFND/CM_BEC020 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_BEC -

• Message number: 020

• Message text: RFC Error: SAP GW is not a trusted system or the security key is invalid

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 /IWFND/CM_BEC020 - RFC Error: SAP GW is not a trusted system or the security key is invalid ?

  The error message /IWFND/CM_BEC020 RFC Error: SAP GW is not a trusted system or the security key is invalid typically occurs in SAP Gateway scenarios when there is an issue with the trust relationship between the SAP Gateway system and the backend system. This can happen in various contexts, such as when trying to access OData services or when performing remote function calls (RFC).
  Causes:
  
  Trust Relationship Not Established: The SAP Gateway system is not recognized as a trusted system by the backend system.
  Invalid Security Key: The security key used for communication between the systems is incorrect or has not been set up properly.
  
  Configuration Issues: There may be misconfigurations in the RFC destination settings or in the SAP Gateway settings.
  Network Issues: Network connectivity problems between the systems can also lead to this error.
  Expired or Invalid Certificates: If you are using SSL, expired or invalid certificates can cause trust issues.
  
  Solutions:
  
  
  Establish Trust Relationship:
  
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