I love your mesh editor! I was making a heart with an extruded cylinder. I did the following: I duplicated the mesh, flipped the new mesh horizontally, and placed it right next to it, overlapping the vertices. Then I had the "brilliant idea" to join the vertices of these meshes, and voilà!
Error
src/ui/viewport_widget.lua:742: attempt to index local 'v' (a nil value)
Traceback
[love "callbacks.lua"]:228: in function 'handler'
src/ui/viewport_widget.lua:742: in function 'handle_vertex_interaction'
src/ui/interactive_viewport_widget.lua:78: in function 'on_update'
skrovet/gui.lua:342: in function 'update'
skrovet/gui.lua:235: in function 'update'
skrovet/gui.lua:235: in function 'update'
skrovet/gui.lua:235: in function 'update'
skrovet/gui.lua:235: in function 'update'
skrovet/gui.lua:1680: in function 'update'
skrovet/init.lua:241: in function 'update'
skrovet/main_loop.lua:90: in function <skrovet/main_loop.lua:47>
[C]: in function 'xpcall'