When we upgraded to the most recent version of Minecraft Dungeons, I could no longer play with one of my friends online. Whenever my friend invites me to their game, I cannot join and I receive the message "Connection Lost - The connection to the host was lost". This is the same message they receive when I try to invite them to my game. We are both using the same operating system-Windows 10, and we are both using version 1.8.6.0

We had no issues playing together in January/February, so we think that this was an issue caused after upgrading. Here is a screenshot of the error: