Error I got with importing a scematic

[ObviHasNoFriends 23]

___________________________________________
############################################################################################
ERROR in
action number 1
of Draw Event
for object app:

Data structure with index does not exist.
############################################################################################
--------------------------------------------------------------------------------------------
called from - gml_Script_render_world_sky (line 7)
called from - gml_Script_render_low (line 25)
called from - gml_Script_view_update_surface (line 27)
called from - gml_Script_view_update (line 9)
called from - gml_Script_view_draw (line 296)
called from - gml_Script_view_area_draw (line 9)
called from - gml_Script_panel_area_draw (line 51)
called from - gml_Script_window_draw (line 20)
called from - gml_Script_app_event_draw (line 7)
called from - gml_Object_app_Draw_0 (line 0)
 

I'm confused ._.

I tried importing a schematic and this showed up, it doesn't happen with any other schematics so.. yeah.. heLP ME