Lastpack

Oke, i hope so because im really bored right now..

Hello, Yesterday i play Technic for the whole day because its fun with all the machines &nd stuff but today i want to go check my world but.. when i login it says: "Update Failed" ... What im must do to get this error away and can play Tekkit again? Because im verry bored right now with out Tekkit ;( Greetings, Lastpack (Jeroen)