This crash error is generated when the tool is used inside of Blueprint Sandbox dimension, full isolation is turned on for that mod:
The mod Belt Draw (2.1.0) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event belt-draw::on_player_selected_area (ID 57)
No character.
stack traceback:
[C]: in function 'newindex'
__belt-draw/src/place.lua:13: in function 'place'
belt-draw/src/events/select.lua:27: in function 'on_release'
belt-draw/src/events/select.lua:41: in function <belt-draw/src/events/select.lua:33>