2023-05-22 13:37:28: ERROR[Main]: ServerError: AsyncErr: ServerThread::run Lua: Runtime error from mod 'motorbike' in callback luaentity_Step(): .../motorbike/tools/helpers.lua:76: attempt to index local 'def' (a nil value)
2023-05-22 13:37:28: ERROR[Main]: stack traceback:
2023-05-22 13:37:28: ERROR[Main]: .../motorbike/tools/helpers.lua:76: in function 'under'
2023-05-22 13:37:28: ERROR[Main]: .../worldmods/motorbike/init.lua:274: in function <.../worldmods/motorbike/init.lua:270>
Fix for this crash: