Original von astex
I do not know if it is a bug specifically in my account but since coming back I can not access my account occupy any new building.

I wonder if administrator could resolve this error for me?

That is not a bug of the game, but an improvement.
In order for you to occupy new buildings you need to increase the level of the training: "Base Administration".

You will notice that when you finish one level of "Base Administration", something will change in here:

[Blocked Image: http://i35.servimg.com/u/f35/11/23/34/48/numb_b10.jpg]