The mod Non-Wave Defense 2 (1.1.12) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event NonWaveDefense2::on_init()
NonWaveDefense2/non_wave_defense.lua:380: attempt to index global 'global' (a nil value)
stack traceback:
NonWaveDefense2/non_wave_defense.lua:380: in function 'on_init'
core/lualib/event_handler.lua:94: in function <core/lualib/event_handler.lua:89>