Sonos Error Error in plugin execution ExecuteAction:
Traceback (most recent call last):
File "plugin.py", line 189, in actionZP_announcementMP3
File "/Library/Application Support/Perceptive Automation/Indigo 7/Plugins/Sonos.indigoPlugin/Contents/Server Plugin/Sonos.py", line 1851, in actionAnnouncement
UnboundLocalError: local variable 'group_volume' referenced before assignment