I am new to this specific forum so my apologies if this was covered some time ago. I recently installed Logic Pro 9 on my laptop to use with my legacy Metric Hal0 UNL-2 and Console 5.4. When I play some previously created projects, I get the following error message: Error while trying to synchronize audio and MIDI. Sample rate 48000 recognized Check conflict between Logic Pro and external device. The odd thing is that the files play correctly through the UNL-2, but the error message halts the timeline marker until it is cleared (and it comes back every few seconds). I must have overlooked a setting. Does anyone have any ideas? Thanks. (It is probably something obvious but somehow it is escaping me). I am only using Logic Pro 9 and the Macbook. No external MIDI devices are connected.