Ultimate Chimera Hunt/Gmac Problems! Someone help!

[ultimamax]

I joined a UC server. It said "you dont have this map, disconnect" basically
I downloaded ch_labratory1 and 2 and some other map and joined a UC server. It joined, but then it froze forever.
The map changed on the server, so I downloaded it. It was ch_tazmily_b1. I downloaded it, and tried to join, but it thought that I didn't have it. I played on that map in 1-player. It worked. So why won't it work on that server?
Can someone help me with these problems?

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[Comatose]

Sometimes it doesn't detect the map's .bsp in the game files. I'd restart Gmod a couple times, and see if it works after.

As for the freezing, if this happens periodically, I recommend backing up all your add-ons and maps, and reinstalling GMac.

[ultimamax]

Sometimes it doesn't detect the map's .bsp in the game files. I'd restart Gmod a couple times, and see if it works after.

As for the freezing, if this happens periodically, I recommend backing up all your add-ons and maps, and reinstalling GMac.

hmm.
Well, I remember that ch_tazmily made me replace maps, materials, shapes, and a few other things.
So would I have to copy those folders too?

[Comatose]

What was in these folders?

[ultimamax]

What was in these folders?

oh balls i'm dumb
i wasn't supposed to replace i suppose
it just said "put all these folders in /garrysmod folder"
stupid packager :(