[SUPPORT] Advanced Turn Based Tile Toolkit

Hi , I have an update: we now can successfully connect to Steam (we followed the guide which can be found here: A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums) but now we can’t play each other.

I see the match that my collegue created from the list, but when I try to join it remains at “Loading”.
What can be wrong now?