Just installed and get errors that closes world

[Alatarius]

I just installed this mod and haven't even had the chance to use it yet. But I get this error which closes my world: (using latest version of mt playing minetest_game)

ModError: Failed to load and run script from D:\Games\Minetest\bin..\mods\cleaner\init.lua:
D:\Games\Minetest\bin..\mods\cleaner/misc_functions.lua:39: attempt to index local 'wdata' (a nil value)
stack traceback:
D:\Games\Minetest\bin..\mods\cleaner/misc_functions.lua:39: in function 'get_world_data'
D:\Games\Minetest\bin..\mods\cleaner/misc_functions.lua:52: in function 'update_world_data'
D:\Games\Minetest\bin..\mods\cleaner\init.lua:32: in main chunk
Check debug.txt for details.