develop-2818 (x32)
...th/services/server/population/population_faction.lua:730: attempt to index local 'json' (a nil value)
stack traceback:
	radiant/modules/common.lua:212: in function 'report_traceback'
	radiant/modules/common.lua:223: in function <radiant/modules/common.lua:217>
	...th/services/server/population/population_faction.lua:730: in function 'reload_model_variants'
	...th/services/server/population/population_faction.lua:753: in function '_regenerate_citizen_models'
	...th/services/server/population/population_faction.lua:791: in function 'obj'
	radiant/modules/events.lua:76: in function 'instance'
	radiant/modules/events.lua:209: in function <radiant/modules/events.lua:203>
	[C]: in function 'xpcall'
	radiant/modules/common.lua:232: in function 'xpcall'
	radiant/modules/events.lua:203: in function <radiant/modules/events.lua:174>