It doesn't actually happen exactly on this site like Dapro stated... MMO games are run from external servers by the game developers, not by ArmorGames. Whenever a MMO game doesn't load, it usually means there is a failure in the connection between your AG account here and the MMO game's servers, due to reasons ArmorGames can't solve, like maintenance for example.
All you can do is wait and try to reconnect to the MMO game's servers. The connection is usually restored after a while and you can play again. =)