Can't join the server

[Gotti's Black Son]

When I try to join the server I get timed out or loose connection
When I don't have any of my addons enabled I log in just fine but then I see errors.

 

[boots]

I think it would be worth doing a fresh reinstall of your garrysmod along with the addons

Unsubscribe from all your workshop items, run FactoryReset-GMod.bat in your Steam\steamapps\common\GarrysMod folder
Uninstall the game on steam, delete the garrysmod folder, reinstall it, subscribe to the workshop listings for neb, try join the server