Here's the part in the client log where it crashes:

[00:01:49]: [string "../mods/workshop-343753877/scripts/statusan..."]:495: attempt to index field '?' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-343753877/scripts/statusannouncer.lua:495 in (method) ChooseStatMessage (Lua) <484-501>
../mods/workshop-343753877/scripts/statusannouncer.lua:436 in (method) OnHUDMouseButton (Lua) <433-445>
../mods/workshop-343753877/modmain.lua:179 in (method) OnMouseButton (Lua) <177-186>
scripts/frontend.lua:1057 in (method) OnMouseButton (Lua) <1050-1062>
scripts/input.lua:179 in (method) OnMouseButton (Lua) <177-182>
scripts/input.lua:388 in () ? (Lua) <387-389>

[00:01:49]: Warning: Widget:SetFocusFromChild is happening on a widget outside of the screen/widget hierachy. This will cause focus moves to fail. Is ScriptErrorWidget not a screen?
[00:01:49]: stack traceback:
scripts/widgets/widget.lua:605 in (method) SetFocusFromChild (Lua) <602-627>
scripts/widgets/widget.lua:656 in (method) SetFocus (Lua) <629-665>
scripts/widgets/scripterrorwidget.lua:107 in (method) OnUpdate (Lua) <102-119>
scripts/update.lua:90 in () ? (Lua) <33-129>
[00:01:49]: Force aborting...
[00:01:49]: Removing server from US lobby
[00:01:49]: ModWorkshop::CancelDownloads clearing all unfinished downloads
[00:01:49]: Collecting garbage...
[00:01:49]: lua_gc took 0.26 seconds
[00:01:49]: ~ShardLuaProxy()
[00:01:49]: ~cEventLeaderboardProxy()
[00:01:49]: ~ItemServerLuaProxy()
[00:01:49]: ~InventoryLuaProxy()
[00:01:49]: ~NetworkLuaProxy()
[00:01:49]: ~SimLuaProxy()
[00:01:49]: Cancelling LuaQueryCallback handle [13]
[00:01:49]: ModWorkshop::CancelDownloads clearing all unfinished downloads
[00:01:50]: lua_close took 0.33 seconds
[00:01:51]: ModWorkshop::CancelDownloads clearing all unfinished downloads
[00:01:51]: [Steam] Auth ticket cancelled
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: Orphaned unnamed resource. This resource must have used Add( resource ) to insert itself into the manager.
[00:01:51]: CurlRequestManager::ClientThread::Main() complete
[00:01:51]: HttpClient2 discarded 0 callbacks.
[00:01:51]: Shutting down