Logic Pro 9 M-Audio Axiom Pro 49 keeps losing connection with Logic 9


I have the latest Axiom Pro firmware/drivers.
Using Logic 9 in 64 bit mode.
I also have RME FFUC.
I am on OS X 10.6.7 .
I keep gettiın M-Audio Axiom Pro 49 not found messages while doing something in Logic.
Sometimes it starts fine I can keep using Axiom until it gives that message again.

Anybody expereinced this?