While not the host in friendly match, can't get the menu away after opening it. Also can't move up or down

Title:
While not the host in friendly match, can’t get the menu away after opening it. Also can’t move up or down.
Summary:
I’m stuck and have to quit.
Steps to reproduce:

  1. Join a friends game via a challenge
  2. Open the menu
  3. profit

Expected Results:
Being able to interact with the pause menu.
Actual Results:
Not being able to interact with the pause menu.
Notes:
Tried it three times with me as host. One time with friend as host. The host can interact with the menu no problem.
Attachments:

Game Version:
Where do I find this? Latest update: Steam :: Fantasy Strike :: Fantasy Strike Update: March 2018, 2nd Patch
System Information:

I can’t reproduce that problem here, hmm. Can anyone else confirm this?