HELP | Discord Bot doesn't speak

[Louis]

Operating System: Debian 8.9 jessie
Kernel: x86_64 Linux 2.6.32-042stab120.11
SinusBot Version: 0.9.21-87a90ce

Problem Description
My bot discord doesn't work. It connects but it does not talk while there is music that should be broadcast.

Bot-Log :

2017-07-29T14:46:09+02:00 UPLOAD [admin] Coldplay - Everglow (Single Version) - Official video.mp3 OK
2017-07-29T14:44:10+02:00 INSTANCE-CREATE [admin] (Omega) OK
2017-07-29T14:44:10+02:00 Discord bot credentials for bot Omega / client 328620115027558400 valid. Yay.
2017-07-29T14:43:38+02:00 LOGIN [admin] OK
2017-07-29T14:43:31+02:00 LOGIN [admin] FAIL [IP:109.22.204.132:62125]
2017-07-29T14:43:23+02:00 USER-PATCH [admin] (admin) OK
2017-07-29T14:43:02+02:00 LOGIN [admin] OK
2017-07-29T14:41:50+02:00 Loading instance://5bc8bc0d-a10c-4c87-8bff-4a55cffa517f
2017-07-29T14:41:50+02:00 Loading instances

Instance-Log :

2017-07-29T14:46:22+02:00 REPEAT [admin] %!b(bool=true) OK
2017-07-29T14:46:19+02:00 PLAY [admin] d40381f1-bd93-494f-ab2b-91f2c4600cd1 OK
2017-07-29T14:44:38+02:00 BOT-CONFIG [admin] CHAN CHANPW ANNOUNCE DESCRIPTION ANNOUNCESTR TTSURL CC OK

Thank for your help !