This might already be a known issue but 
- Open Lönn
- Create a new map
- Create a new room
- Click on
Background Tiles - Try placing something
Error
Editor version: 0.4.3
Love2d version: 11.4.0 - Mysterious Mysteries
Operating system: Windows
structs/smart_drawing_batch.lua:241: attempt to index local 'batch' (a nil value)
Traceback
[love "callbacks.lua"]:228: in function 'handler'
structs/smart_drawing_batch.lua:241: in function 'setColor'
celeste_render.lua:371: in function 'drawInvalidTiles'
brushes.lua:210: in function 'updateRender'
brushes.lua:216: in function 'placeTile'
utils/brush_tool.lua:68: in function 'handleActionClick'
tools/brush.lua:57: in function <tools/brush.lua:53>
input_device.lua:28: in function <input_device.lua:15>
scene_handler.lua:46: in function 'sendEvent'
input_handler.lua:54: in function <input_handler.lua:44>
main.lua:36: in function <main.lua:25>
[C]: in function 'xpcall'