Audio crackles when dragging audiofiles to clipmatrix

[red33mer]

Hey Guys,

i experience heavy audiocrackles when dragging audiofiles from ableton browser to my session view window
while playing. Is that a known problem? Is there a fix?

MBPRO 2,5ghz
Mac OSX 10.6.1
Ableton 8.0.8
Terratec X24 Firewire

Thank You