When I launch the game, it starts in fullscreen, shows the sokpop logo, restarts in a window, shows the sokpop logo again, restarts in fullscreen and shows the logo one more time, then crases and shows this error:
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FATAL ERROR in
action number 1
of Step Event0
for object oClient:
Unable to find any instance for object index '100012'
at gml_Object_oClient_Step_0
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stack frame is
gml_Object_oClient_Step_0 (line -1)