Model bench code error

[_NotKeif_ 0]

When loading modle bench i get this Code error, any fixes?

I closed without saving as i didnt need the modle.
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############################################################################################
ERROR in
action number 1
of Create Event
for object app:

Illegal Buffer Index -1############################################################################################
gml_Script_buffer_is_eof (line 0)
gml_Script_json_load_char (line 6)
gml_Script_json_load (line 21)
gml_Script_preview_scenery_load (line 10)
gml_Script_app_startup_lists (line 27)
gml_Script_app_startup (line 30)
gml_Script_app_event_create (line 14)
gml_Object_app_Create_0 (line 2)