I emailed Sony and they sent me a link to update XDcam transfer to 2.13. It’s not a public release yet but it works great and fixed my problem which was the same error as yours. It is optimized for Lion. Go to
I just started getting the exact same error message. I used this camera (PMW-EX1) about three weeks ago and everything worked fine. Tonight I got the message but the camera and footage still work fine. Could this be MAC OSX 10.7.1? I just updated…