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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC367 - Error establishing an RFC connection. Details cannot be displayed ?

  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 ping or telnet to verify that the target system is reachable from the source system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., TCP/IP settings, target host, and service).
  Test the connection using the "Connection Test" button in the RFC destination configuration.
  
  
  
  Review User Authorizations:
  
  Ensure that the user ID used for the RFC connection has the necessary authorizations to access the target system.
  Check the user roles and profiles in transaction SU01.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway is running on both the source and target systems.
  You can check the status of the gateway using transaction SMGW.
  
  
  
  Firewall Configuration:
  
  Verify that the firewall settings allow traffic on the required ports for RFC communication (typically port 3200 for SAP systems).
  Consult with your network administrator if necessary.
  
  
  
  System Availability:
  
  Ensure that the target SAP system is up and running.
  Check for any maintenance activities or downtimes that may affect connectivity.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SMGW: Monitor SAP Gateway
  SU01: User Maintenance
  ST22: Dump Analysis (to check for any related dumps)
  
  
  
  Logs and Traces:
  
  Check the system logs (transaction SM21) for any related error messages.
  Use transaction SLG1 to check application logs for more details.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC connections.
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.