my server is disconnected!! plz help me..

I am playing multi-play with my friend. After 50 days, the server disconnected for no reason.
It is the same without using the mode.
I think when you play alone, you probably don't bounce.
I wonder what the problem is.




LUA ERROR stack traceback:
    scripts/components/inventory.lua:618 in (method) IsInsulated (Lua) <611-619>
    scripts/components/playerlightningtarget.lua:3 in (field) onstrikefn (Lua) <1-19>
    scripts/components/playerlightningtarget.lua:41 in (method) DoStrike (Lua) <39-43>
    scripts/components/weather.lua:613 in (local) fn (Lua) <538-630>
    scripts/entityscript.lua:1154 in (method) PushEvent (Lua) <1141-1168>
    scripts/components/weather.lua:932 in (method) OnUpdate (Lua) <773-941>
    scripts/update.lua:257 in () ? (Lua) <219-293>