I'm actually prestige 8, this message pops up when it happens:
ERROR in action number 1
of Step Event0 for object o_ritual_screen:
Variable o_ritual_screen.hover_id(102652, -2147483648) not set before reading it.
at gml_Object_o_ritual_screen_Step_0
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gml_Object_o_ritual_screen_Step_0 (line -1)