Can't trade pokemon from Pokemon X to Pokemon Omega Ruby

My 2 citras found each others name but when its connecting, both of it starts saying that connection failed. Can you help me?
System Information

  • Operating System:
  • CPU:
  • GPU:
  • Citra Version (found in title bar):
  • Game:
  • Screenshot of Issue (include the full Citra window including titlebar):

Diagnostic Log
Upload your log file as an attachment by dragging & dropping.

In order to save a copy of the log, follow this guide:
https://community.citra-emu.org/t/how-to-upload-the-log-file/296

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

Well the issue isn’t quite clear it would be helpful if you could upload the screenshot of the error. But there might is one possibility:

  1. You might not have changed the Console ID. Or the userame while connecting to the room

This answer has the steps to do both kindly check it out:

Edit: Found out using an unlisted room doesn’t require 2 accounts :

The comment by @tywald explains it