Crash upon opening project

[Netherall Brimstone 73]

Eventually (it doesn't always do this the first reopening, but will some time) when I open a project after creating it I get this error:

Spoiler

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

Data structure with index does not exist.
############################################################################################
--------------------------------------------------------------------------------------------
called from - gml_Script_model_part_fill_shape_vbuffer_map (line 27)
called from - gml_Script_tl_update_model_shape_bend (line 36)
called from - gml_Script_tl_update_matrix (line 208)
called from - gml_Script_tl_update_matrix (line 219)
called from - gml_Script_tl_update_matrix (line 219)
called from - gml_Script_tl_update_matrix (line 219)
called from - gml_Script_temp_update_rot_point (line 59)
called from - gml_Script_temp_update (line 21)
called from - gml_Script_project_load_update (line 34)
called from - gml_Script_project_load (line 109)
called from - gml_Script_draw_recent (line 86)
called from - gml_Script_popup_startup_draw (line 84)
called from - gml_Script_popup_draw (line 110)
called from - gml_Script_window_draw (line 27)
called from - gml_Script_app_event_draw (line 7)
called from - gml_Object_app_Draw_0 (line 0)

If I keep clicking 'Ignore', I eventually get this fatal:

Spoiler

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

vertex_delete_buffer: Invalid vertex buffer specified
############################################################################################
--------------------------------------------------------------------------------------------
called from - gml_Script_vbuffer_destroy (line 3)
called from - gml_Script_tl_update_model_shape (line 14)
called from - gml_Script_tl_update (line 7)
called from - gml_Script_project_load_update (line 69)
called from - gml_Script_project_load (line 109)
called from - gml_Script_draw_recent (line 86)
called from - gml_Script_popup_startup_draw (line 84)
called from - gml_Script_popup_draw (line 110)
called from - gml_Script_window_draw (line 27)
called from - gml_Script_app_event_draw (line 7)
called from - gml_Object_app_Draw_0 (line 0)

This happened on two different computers. I hope this is all you need to fix the bug.

Okay, thanks for reading.