OSX no passthrough

Sync playback to display – off

The receiver PCM light flickers at film start but stays at PCM and silent.
Passthrough off / PCM working.

v16 works without problems

Code:
16:19:10 T:140736545473472  NOTICE:     Device 5
16:19:10 T:140736545473472  NOTICE:         m_deviceName      : Built-in Digital Output:stream0
16:19:10 T:140736545473472  NOTICE:         m_displayName     : Built-in Digital Output
16:19:10 T:140736545473472  NOTICE:         m_displayNameExtra: Digital Out
16:19:10 T:140736545473472  NOTICE:         m_deviceType      : AE_DEVTYPE_IEC958
16:19:10 T:140736545473472  NOTICE:         m_channels        : FL,FR
16:19:10 T:140736545473472  NOTICE:         m_sampleRates     : 96000,88200,48000,44100,32000
16:19:10 T:140736545473472  NOTICE:         m_dataFormats     : AE_FMT_S24LE3,AE_FMT_S16LE
16:19:10 T:140736545473472  NOTICE:         m_streamTypes     : STREAM_TYPE_AC3,STREAM_TYPE_DTS_512,STREAM_TYPE_DTS_1024,STREAM_TYPE_DTS_2048,ST​REAM_TYPE_DTSHD_CORE

Code:
16:19:49 T:123145504763904  NOTICE: virtual bool CAESinkDARWINOSX::Initialize(AEAudioFormat &, std::string &): Opening default device Built-in Digital Output
16:19:49 T:123145504763904   ERROR: Initialize, Unable to find suitable stream
16:19:49 T:123145504763904  NOTICE: virtual bool CAESinkDARWINOSX::Initialize(AEAudioFormat &, std::string &): Opening default device Built-in Digital Output
16:19:49 T:123145504763904   ERROR: Initialize, Unable to find suitable stream

Any ideas?

Matt