Recently created problems in BarCamp

Why did my *camp page get locked and who did it?

http://barcamp.org/StartupCampWaterloo

Navigating to "http://barcamp.org/notification.php" reports "Email undefined. Please log in again." even if you have just logged in.

Navigating to "http://barcamp.org/notification.php" reports "Email undefined. Please log in again." even if you have just logged in.

Iam working as HR for SD company new to IT can any one help me what will be theresponsibilities that i need to carry if iam participating in barcamp .how to register in barcamp can any one suggest me .I am planing to attened tommorow in gachibowli.please someone reply me as soon as possible
thanks pummyd