Crash when trying to equip artifact

It happened when trying to compare basic gloves to a basic sword.


############################################################################################
FATAL ERROR in
action number 1
of Draw Event
for object obj_itemmenu:

Variable obj_itemmenu.inc(101057, -2147483648) not set before reading it.
at gml_Script_inv_ArtifactDrawHelper
############################################################################################

stack frame is
gml_Script_inv_ArtifactDrawHelper (line -1)
gml_Script_inv_ArtifactDrawComparison
gml_Object_obj_itemmenu_Draw_64

Fixed, thanks!