Index overflow crash from trading with explorerers

Siralim v 1.7, windows 10. I gave some wood to some explorers an an itherian realm, and got the below crash. RIP little sigil :frowning:


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

Push :: Execution Error - Variable Index [0,10] out of range [1,7] - -1.items(100992,10)
at gml_Object_obj_artifactbox_Draw_64
############################################################################################

stack frame is
gml_Object_obj_artifactbox_Draw_64 (line -1)