How To Fix EC367 - Error establishing an RFC connection. Details cannot be displayed

EC367 - Overview

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 367

• Message text: Error establishing an RFC connection. Details cannot be displayed

What causes this issue?

No RFC connection could be established.

System Response

The system cannot display details for the chosen object.

How to fix this error?

One possible cause is that you have too many sessions open. You should
close a session and then try to display the details again.

Error message extract from SAP system. Copyright SAP SE.

EC367 - Details

• The SAP error message EC367, which indicates "Error establishing an RFC connection. Details cannot be displayed," typically arises when there is an issue with the Remote Function Call (RFC) connection between SAP systems or between an SAP system and an external system. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems or between the SAP system and the external system.
  Incorrect Configuration: The RFC destination may not be configured correctly in the SAP system (e.g., incorrect IP address, hostname, or port).
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  Firewall Restrictions: Firewalls may be blocking the required ports for RFC communication.
  System Availability: The target system may be down or not available for connections.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like