Already done that mateAre you running Chromium or base GMOD?
I'll try this out and let you know.Unsubscribe from all workshop content, delete all the maps in your maps directory, and clear both your addons and download directories in the game files. Make sure you unsub before doing that.
UPDATE: It's fixed, thank you @HydroUnsubscribe from all workshop content, delete all the maps in your maps directory, and clear both your addons and download directories in the game files. Make sure you unsub before doing that.
UPDATE: It's fixed, thank you @Hydro