cd key authoritation invalid for internet servers

I was just normally mapping and testing some entities. I compiled my test map and when the map was launching in game, (TF2), i get this error: “cd key authoritation invalid for internet servers”
Any idea what this is?

Oh and I can’t join any server, it says steam beta needs to be running, and I can’t access to my stats or backpack

Someone help?

How does it connected with mapping?
Edit: Try to:
a) Restart Steam
b) Wait 10-20 mins without steam enabled
c) Reboot your Router