Help with error on startup

[lordvorlek]

Every time I start I get this:

[5/7/2020 6:01:52 PM] FGU v4.0.0 ULTIMATE (2020-04-28)
[5/7/2020 6:01:52 PM] Launcher scene starting.
[5/7/2020 6:02:05 PM] Daily session backup created.
[5/7/2020 6:02:05 PM] Starting cloud server mode. [lordvorlek]
[5/7/2020 6:02:09 PM] Game server started. [68.183.117.123:58538]
[5/7/2020 6:02:09 PM] Launcher scene exiting.
[5/7/2020 6:02:09 PM] Match successfully created on lobby.
[5/7/2020 6:02:09 PM] Tabletop scene starting.
[5/7/2020 6:02:19 PM] [<color="red">ERROR</color>] Script execution error: [string "ps/scripts/manager_ps2.lua"]:17: attempt to index local 'nodeClass' (a nil value)
[5/7/2020 6:02:30 PM] RULESET: PFRPG ruleset v3.3.10 for Fantasy Grounds
Copyright 2019 Smiteworks USA, LLC
[5/7/2020 6:02:30 PM] RULESET: 3.5E ruleset v3.3.10 for Fantasy Grounds
Copyright 2019 Smiteworks USA, LLC
[5/7/2020 6:02:30 PM] RULESET: CoreRPG ruleset v3.3.11 for Fantasy Grounds
Copyright 2019 Smiteworks USA, LLC
[5/7/2020 6:02:30 PM] EXTENSION: Theme - Pathfinder Official. v1.0\rCopyright 2017 Paizo Inc.\rCopyright 2017 SmiteWorks USA, LLC.

Script execution error is in Red on my screen. Any ideas? I have updated and it still does it.

[damned]

Welcome lordvorlek

Please rerun the updater.

[Trenloe]

This occasionally happens when there are PCs in the Party Sheet who don't have a class (or a recognizable class). Remove all PCs from the party sheet and re-add them.