[Develop-2494] - Error with floor tools

etape 1 :

Etape 2 : finished the last row

Etape 3 : the result of etape 2

I want to fill all my fortress :

bug ? or i do not use the good tool ?

Trying another tool the one square :

After saving my game before validate this when i reload i have this error directely after :

the error :
develop-2494 (x64)
radiant/modules/entities.luac:86: attempt to index local ‘entity’ (a nil value)
stack traceback:
radiant/modules/events.luac:68: in function <radiant/modules/events.luac:65>
radiant/modules/entities.luac:86: in function ‘get_world_grid_location’
stonehearth/services/server/town/town.luac:97: in function ‘?’
stonehearth/services/server/town/town.luac:30: in function ‘_restore_saved_calls’
stonehearth/services/server/town/town.luac:11: in function ‘_on_game_loaded’
stonehearth/services/server/town/town.luac:9: in function ‘obj’
radiant/modules/events.luac:15: in function ‘self’
radiant/modules/events.luac:80: in function <radiant/modules/events.luac:78>
[C]: in function ‘xpcall’
radiant/modules/events.luac:78: in function <radiant/modules/events.luac:70>

After this errror, i cant finish a job, building, mining…