Failed to setup your player as a member of the board

Describe the Bug
Loaded up the game/used some rmodman mods (as the GM uses them) and despite many tries and all the other players joining, it kept giving me the message ‘Sorry, it would seem you have found a bug. We failed to setup your player as a member of the board’

To Reproduce
Steps to reproduce the behavior:

Loaded up the game via rmodman

Tried to join the game using both a code and a direct link

Got the error message

Closed the game, tried again

Same issue

Screenshots/Videos/Twitch Clips
https://flic.kr/p/2oi3Jjm

(The message that is shown)

System Details 
TaleSpire Build ID (Found bottom right in escape menu):
486ad8bdf_m

OS Version (Windows Version | Linux Distro + Version if applicable & Proton Version):
Windows 10

Additional Context
It’s very annoying considering all the other players managed to get on- really would appreciate your help!

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