2021-04-27 08:42:48.691 - info: sayit.0 (21413) saying: /opt/iobroker/node_modules/iobroker.sayit/gong.mp3
2021-04-27 08:42:48.702 - info: sayit.0 (21413) Set "sonos.0.root.192_168_178_72.tts: 70;http://192.168.178.178:8082/state/sayit.0.tts.mp3
2021-04-27 08:42:48.711 - info: sonos.0 (21430) try to control id sonos.0.root.192_168_178_72.tts with {"val":"70;http://192.168.178.178:8082/state/sayit.0.tts.mp3","ack":false,"ts":1619505768707,"q":0,"from":"system.adapter.sayit.0","user":"system.user.admin","lc":1619504753003}
2021-04-27 08:42:50.705 - info: sayit.0 (21413) saying: are you fucking seriouse?
2021-04-27 08:42:50.713 - info: sayit.0 (21413) Set "sonos.0.root.192_168_178_72.tts: 70;http://192.168.178.178:8082/state/sayit.0.tts.mp3
2021-04-27 08:42:50.722 - info: sonos.0 (21430) try to control id sonos.0.root.192_168_178_72.tts with {"val":"70;http://192.168.178.178:8082/state/sayit.0.tts.mp3","ack":false,"ts":1619505770718,"q":0,"from":"system.adapter.sayit.0","user":"system.user.admin","lc":1619504753003}
2021-04-27 08:42:50.935 - error: sonos.0 (21430) Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch().
2021-04-27 08:42:50.936 - error: sonos.0 (21430) unhandled promise rejection: Got status 500 when invoking /MediaRenderer/AVTransport/Control
2021-04-27 08:42:50.937 - error: sonos.0 (21430) Error: Got status 500 when invoking /MediaRenderer/AVTransport/Control
at Object.invoke (/opt/iobroker/node_modules/sonos-discovery/lib/helpers/soap.js:99:10)
at Player.trackSeek (/opt/iobroker/node_modules/sonos-discovery/lib/models/Player.js:552:15)
at /opt/iobroker/node_modules/iobroker.sonos/lib/tts.js:163:57
at processTicksAndRejections (internal/process/task_queues.js:97:5)
2021-04-27 08:42:50.937 - error: sonos.0 (21430) Got status 500 when invoking /MediaRenderer/AVTransport/Control
2021-04-27 08:42:50.977 - error: sonos.0 (21430) Cannot restore state: RequestFailedError: Got status 500 when invoking /MediaRenderer/AVTransport/Control
2021-04-27 08:42:50.982 - info: sonos.0 (21430) terminating
2021-04-27 08:42:51.004 - info: sonos.0 (21430) terminating
2021-04-27 08:42:51.005 - warn: sonos.0 (21430) Terminated (UNCAUGHT_EXCEPTION): Without reason
2021-04-27 08:42:51.019 - warn: sonos.0 (21430) State "sonos.0.root.192_168_178_72.queue" has no existing object, this might lead to an error in future versions
2021-04-27 08:42:51.044 - error: sonos.0 (21430) Cannot loadQueue: TypeError: Cannot read property 'getPlayerByUUID' of null
2021-04-27 08:42:51.091 - error: sonos.0 (21430) Cannot getFavorites: TypeError: Cannot read property 'players' of null
2021-04-27 08:42:51.596 - error: host.raspberrypi4 instance system.adapter.sonos.0 terminated with code 6 (UNCAUGHT_EXCEPTION)
2021-04-27 08:42:51.601 - info: host.raspberrypi4 Restart adapter system.adapter.sonos.0 because enabled
2021-04-27 08:43:21.688 - info: host.raspberrypi4 instance system.adapter.sonos.0 started with pid 21672
2021-04-27 08:43:23.044 - info: sonos.0 (21672) starting. Version 2.1.1 in /opt/iobroker/node_modules/iobroker.sonos, node: v12.20.1, js-controller: 3.2.16
2021-04-27 08:43:23.777 - warn: sonos.0 (21672) State "sonos.0.root.192_168_178_72.queue" has no existing object, this might lead to an error in future versions

Hab noch einen anderen Therad gefunden, der evtl das Problem löst:
link
Werde mich heute Abend mal daran versuchen.

evtl gibt es ja dennoch eine Alternative Lösung, sollte dieser Weg nicht funktionieren?!