WIndows 7, new installation

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FATAL ERROR in
action number 1
of Create Event
for object room_generation:

local variable file_totem_lines(100004, -2147483648) not set before reading it.
at gml_Script_room_create
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stack frame is
gml_Script_room_create (line -1)
gml_Object_room_generation_Create_0

Ok, I have a workaround. It seems that happens If you only have one save. I created a new one and I am able to play

Thank you for the report and the workaround, a lot of people have been reporting this error but I am still confused on why is it happening. I'll try to re-write all that part because it was not very well done initially. Thanks for the messages!