This is error message.

GMS ver 1.4.999

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

global variable name '__PropertySetters__' index (100586) not set before reading it.
at gml_Script_TweenCreate (line 64) - if (ds_map_exists(global.__PropertySetters__, _propRaw)) // look for optimised script
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stack frame is
gml_Script_TweenCreate (line 64)
called from - gml_Object_cam_target_CreateEvent_1 (line 53) - t_zoom = TweenCreate(id,EaseOutSine,0,0,0,40,"screenZoom",cam_w,cam_w);
called from - gml_Script_dks_level_load (line 49) - with(instance_create(value[| 0],value[| 1],ob))
called from - gml_Object_Darkspine_launcher_CreateEvent_1 (line 47) - dks_level_load("Launcher", "DarkSpine_launcher");