When trying to login to play minecraft I successfully log in but after he 1,17 update am stuck in demo mode only. Yes I have a mojang account and yes I can log into it nad yes I purchased Minecraft (late last year)

What I expected to happen was...:
I could play minecraft and play with my kids on lan

What actually happened was...:
I can only play demo server / demo game.

Steps to Reproduce:
1. Start minecraft

Let it update

THat's it. ...
3. ...