Long loading time / not responding

I join a spacebuild server / any server.
And it gets stuck at “Sending client information” and it is in “Not responding”
Then it says “You timed out”
Help meeee

PLEASE HELP ME, IT WONT LET ME PLAY ON GMOD :frowning:

Idk if it mathers, but my gmod addon folder is 12.3GB big