the first one was better

I have download this game but if I open, will crashes by corrupted files. Please fix it now!

A message is shown this one:

############################################################################################
ERROR in
action number 1
of Alarm Event for alarm 0
for object obj_init:

invalid type for -= lhs=undefined (type=5), rhs=1 (type=0)############################################################################################
gml_Script_track_properties (line 1480)
gml_Script_save_load_data (line 371)
gml_Object_obj_init_Alarm_0 (line 3)