Default Problem with ViperS 5.1.0

Hello everyone,

I installed this week the ViperS 5.1.0.
Everything wend well, till today.
My HTC sensation was emty so it turned off.
Now he is full and i turned it on but now the bar under in the mainscreen (with phone , sms, camera) is gone.
I tryed to reboot but still its gone.
How can i get that back.