劇情 level 造成了無法修復的錯誤。
請向劇情作者回報此錯誤。

Error while running event level::on_player_created (ID 24)
模組 Utilization Monitor (Blargh) (0.7.0) 造成了無法修復的錯誤。
請向模組作者回報此錯誤。

Error while running event UtilizationMonitorBlargh::on_entity_died (ID 4)
UtilizationMonitorBlargh/control.lua:207: attempt to index field 'entity_data' (a nil value)
stack traceback:
UtilizationMonitorBlargh/control.lua:207: in function 'remove_entity'
UtilizationMonitorBlargh/control.lua:404: in function <UtilizationMonitorBlargh/control.lua:403>
stack traceback:
core/lualib/crash-site.lua:159: in function 'create_crash_site'
...ata/Roaming/Factorio/temp/currently-playing/freeplay.lua:63: in function 'handler'
core/lualib/event_handler.lua:47: in function <core/lualib/event_handler.lua:45>
stack traceback:
[C]: in function 'die'
core/lualib/crash-site.lua:159: in function 'create_crash_site'
...ata/Roaming/Factorio/temp/currently-playing/freeplay.lua:63: in function 'handler'
core/lualib/event_handler.lua:47: in function <core/lualib/event_handler.lua:45>

Interesting. I've reproduced this locally, tinkering with a fix now. Thanks for the report!

0.7.1 posted, fixes the problem I reproduced locally. Let me know if it works for you.