The mod Utilization Monitor (Blargh) (0.8.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event UtilizationMonitorBlargh::on_runtime_mod_setting_changed (ID 59)
UtilizationMonitorBlargh/control.lua:584: attempt to call global 'recompute_rate' (a nil value)
stack traceback:
UtilizationMonitorBlargh/control.lua:584: in function <UtilizationMonitorBlargh/control.lua:571>