Garry's Mod

Garry's Mod

Citizens+ Mod ( NPCs + Playermodels ) Part 1
I don't understand what this error is. I don't actively used playermodel or spawn npc but this pops up from nowhere. Mod is activated but theres nothing for triggering.
[Citizens+ Mod ( NPCs + Playermodels ) Part 1] lua/autorun/citizen+.lua:331: attempt to call method 'Disposition' (a nil value)
1. fn - lua/autorun/citizen+.lua:331
2. unknown - lua/ulib/shared/hook.lua:109