The mod Parallel Research (0.7.4) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event simultaneous-research::on_configuration_changed
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__simultaneous-research/scripts/tracking_utils.lua:146: in function 'remove_lab'
simultaneous-research/scripts/tracking_utils.lua:28: in function 'reinitialize_labs'
simultaneous-research/scripts/events.lua:71: in function <simultaneous-research/scripts/events.lua:70>
