How am I banned from a linden labs sandbox I have never visited?

[Zavarah Zabelin]

I have never been to this sand box nor any my friend tried to show me something and my main isbanned and it is a lidnen labs sanbox and my alts can go there this  is insane? this is funny a friend tried to tp me to this and only lindens own this and now I am banned from this I wonder what is going on?
 Join me in Magnum Sandbox 3
Magnum Sandbox 3 (151,190,4004)
 i have never been there in my life
 is banned and ot my other alts strange how can this happen?

[Rolig Loon]

How do you know you are banned?  Did you get some sort of notice from Linden Lab, or are you getting a message that says that when you try to enter the region?  If you are just having a hard time going there, there could be a different explanation. Maybe just a bad day in the region's servers.  Have you tried teleporting to Magnum Sandbox 1, next door, and walking in?  

Fortunately, of course, you haven't ever needed to go there before and you probably won't need to go there in the future either.  It's a little annoying to be prevented from going anywhere, but not a major disaster IMHO.

[Lindal Kidd]

There are some Premium-only sandboxes.  If you aren't a Premium member, you can't go there.

[Rolig Loon]

That's not one of them. Magnum Sandboxes are all general access.

[Marigold Devin]

To enter the Magnum sandboxes, you might have to be a member of the Second Life Beta group. If you or your alts are not joined to the Second Life Beta group, do so and try to TP in again.