Can't start a new game or load save file.

[LifeFF]

I started to play a new game after cleared arcane blade and ended the game, but I can't start/load the game.
+ delete the world.teaw file to run normally.

error = "Game version: tome-1.6.5\
Addons: hz-escorts-1.3.1[X!], items-vault-1.6.0[O], possessors-1.6.0[O], select-your-escorts-1.6.0[X], ashes-urhrok-1.6.0[O], cults-1.6.0[O], orcs-1.6.0[O], zomnibus-1.6.0[X], PlenumTooltipCustom-1.6.0[X]\
\
Lua Error: /data/general/objects/world-artifacts.lua:24: attempt to index field 'state' (a nil value)\
At [C]:-1 __index\
At /data/general/objects/world-artifacts.lua:24 f\
At /engine/Entity.lua:1220 loadList\
At /engine/Entity.lua:1209 load\
At /data/general/objects/objects.lua:22 loadIfNot\
At /data/general/objects/objects.lua:85 f\
At /engine/Entity.lua:1220 loadList\
At /engine/Entity.lua:1209 load\
At /data/general/objects/objects-maj-eyal.lua:22 loadIfNot\
At /data/general/objects/objects-maj-eyal.lua:25 f\
At /engine/Entity.lua:1220 loadList\
At /engine/Entity.lua:1209 load\
At /data/zones/mark-spellblaze/objects.lua:20 f\
At /engine/Entity.lua:1220 loadList\
At /engine/Zone.lua:168 loadBaseLists\
At /engine/Zone.lua:783 loaded\
At /engine/Savefile.lua:493 loadWorld\
At /engine/Module.lua:1055 instanciate\
At /engine/utils.lua:2775 showMainMenu\
At /engine/init.lua:199 \
At [C]:-1 dofile\
At /loader/init.lua:217 "
seen = true
reported = false