Plutonium

You just play on a dedicated server
A server that's running mods will most likely prevent that. I'm talking about mods, not scripts

Your antivirus/an app, or most likely a script/mod crashes the game

Givey read the documentation

LocalCrackHead0 https://forum.plutonium.pw/topic/36417/bo2-zombies-custom-game-issues/2

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Racoon_ scripts work for the hosts, you can't join a game or a server and load your own scripts

You need to host or he install the scripts and give it to you through the menu

Racoon_ it's called a folder not a file, a folder holds file(s)
As for loading textures the method has never changed, the doc is still here and the instructions are still the same
https://plutonium.pw/docs/modding/loading-textures/

Contact them. We can't do anything about specific server bans

Have you searched for existing maps? COD 4 has a lot of them

DavidSmecheru you can find the Discord and a lot of info on the website https://plutonium.pw/

t6r was never in our documentation and was always an outdated and unofficial method that we said hundred of times will be removed some day. This day arrived

Jacobk so what was the issue?

PopeyeOnGamepad not everything is a choice. There may be technical reasons why older servers are incompatible you know

Read the full error and fix it
Deducing since you didn't provide the full error_ this could be your antivirus

Jacobk idk the way you seem to not understand things at all I can't really trust that you didn't do anything + what you say isn't even possible on a technical aspect afaik so yeah..

Try to host a base map first, gotta have DLCs installed for all players to play them

Maybe the port forward rule is wrong?
What is your antivirus? Some have built-in firewalls
Also are you on the same internet/in the same house?

This is a breaking (big) update which means older servers aren't listed anymore, they're incompatible. Server owners need to update and not everyone did yet

Jacobk I have no idea what "I don't have the mod loaded up either its closed" means
Did you close and start the game again? I've never seen what you describe

Did you install anything manually? Any script or something?
Send a screenshot of your scripts folder including the sub folders

If anything restart your game or delete the mod in the mods folder in %localappdata%\Plutonium\storage\t6\mods

But yeah it's not gonna edit your game files permanently so I doubt what you're saying is even possible
Maybe you installed things by hand at another point and forgot about it

Ghy54- no idea, are you 100% sure the port is correct, no firewall is blocking it, no apps/other server using that port already that's running etc