Cant go into clans.

Hello fellow birds, when i reinstalled the game and registered into facebook;1. My username has changed2. I cant go into clansLets focus on number 2. I am star level 12, an owner of a clan, and has a flock power of 83. When i pressed on the clans icon, it says that that part of the game is currently unavaliable.Is it a bug, or maintenece?-iiAngelRulez