-6004 Error Please Help
 

I finally decided to upgrade to leopard on my g5. Since the upgrade i've been getting a -6004 error (DAE was unable to communicate with the audio hardware. Please save your session and restart your computer.) I'm not sure what to do about this and i can't find to much info on the web. Any ideas?
My system is an hd3 running pt 7.4.2
leopard 10.5.5
Apple g5 dual 2ghz 1 gig ram
Magma 13 slot pci expansion