Summer Macbain

I bought a linden home sometimes it will let me drop simetimes it wont . Any suggestions? It is my linden home an i have dropped many thing an i also have over 80 prims left all of a sudden it just quit letting me rezz! then today it letme rez a chair and i put it away an tried to rez an i get an error saying i dont not have permission from the land owner.

When i signed up for a premium membership it said i would get 1000L and i didnt get it! Why?