2017-04-10 19:32:09: ERROR[Main]: ...y/Application Support/minetest/mods/flowerpots/nodes.lua:104: attempt to index a nil value
2017-04-10 19:32:09: ERROR[Main]: stack traceback:
2017-04-10 19:32:09: ERROR[Main]: ...y/Application Support/minetest/mods/flowerpots/nodes.lua:104: in main chunk
2017-04-10 19:32:09: ERROR[Main]: [C]: in function 'dofile'
2017-04-10 19:32:09: ERROR[Main]: ...ry/Application Support/minetest/mods/flowerpots/init.lua:3: in main chunk
2017-04-10 19:32:09: ERROR[Main]: Check debug.txt for details.```
Minetest 0.4.15, macOS 10.