The black background is not supposed to happen, but does clicking on the VS heart work?
I assume your second pic contained more info, but the link seems to be broken and I can't see it...
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FATAL ERROR in
action number 1
of Step Event0
for object obj_HEFightController:
Variable obj_HEFightController.timer_intro(100567, -2147483648) not set before reading it.
at gml_Object_obj_HEFightController_Step_0
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That's the code that appears