The mod Tesla's Legacy (Electric Turrets) (1.0.7) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event tesla_legacy::on_script_trigger_effect (ID 155)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__tesla_legacy/control.lua:231: in function <tesla_legacy/control.lua:210>

I got the same just now. SE + Rampant + Tesla legacy after at least 7 hours of turrets in action without issues this crash, same message