Server is crashing Players on Workshop Complete.

Players who are trying to connect to my server are repeatedly crashing when they reach “Workshop Complete”. I’m not quite sure what is causing the problem :/. Any help to fix this issue is greatly appreciated! Below are some things I believe might be needed to diagnose the problem:

Crash log(Given to me by a player)

Workshop Link:

I’m not sure what else might be needed so just tell me and I will get it, Thanks.