Yeah I noticed that to, free craft doesn't work and you have to wait until you are in the game save to press f1, the only issue is, if you press f1, you bring up who's in the server, and to close it and press f1, you activate the items cheat, which instantly makes you weigh to much.
you can change any of the hotkeys to anything else you would want
Thanks for the update, I gave it a try but unfortunately it's still crashing, I was able to activate infinite health, unlimited ammo and unlimited durability and things seemed fine but then I went to use a vehicle and crashed with a fatal error.
try the latest trainer