Audition CC v11 multitrack randomly stops recording

Hiya,

I'm running Audition CC v11.0.0.199.

Windows 10 home 64 bit build 15063

Processor: i7-4720HQ 2.6 ghz

Memory: 8192mb RAM

Page: 13618 used 2022mb available.

I'm recording through a Roland Rubix 44. After around 20 minutes of multitrack recording, the recording just stops and I can't figure out why. I can restart the recording fine and it'll carry on for another 20ish minutes and then stop again without any input on my behalf. There is plenty of space on the disk.

I'm running 4 mics through the Roland Rubix 44 and Audition is showing this as 'Roland Rubix' in 'device' in the audio hardware settings under the 'ASIO' device class. Does anyone have any thoughts? I'm struggling to come up with a solution.

Thanks in advance!