I got one too after that coal tutorial: The scenario level caused a non-recoverable error. Please report this error to the scenario author. Error while running event level::on_tick (ID 0) __base__/lualib/compi.lua:97: bad argument #1 to 'pairs' (table expected, got nil) stack traceback: [C]: in func...

Hey, you guys have an awesome game at your hands :D - Keep up the good work. Today I tried to load up some old save files, one of them crashed, so I just wanted to post the Log here. Hope it helps (if you need the savegame just say something here) 0.001 2017-04-25 18:44:22; Factorio 0.15.1 (build 29...