Sonos with Applescript

I am testing a simple embedded Applescript that would become the basis for making some some music selections and setting volume levels. Following is the script and following that is the string of error messages I get when executing the script. Any suggestions would be much appreciated.

execute group "Shop Off"
delay 10
execute group "Sonos Play The Blend"
execute group "Shop Volume 20"
execute group "Shop Volume Up"
delay 10
execute group "Shop Volume Up"
delay 10
execute group "Shop Volume Up"
delay 10
execute group "Shop Volume Up"
delay 10
execute group "Shop Volume Up"
execute group "Shop Off"

Following is from event log:

Action Group Test Delayed Sound Boost
Action Group Shop Off
Action Group Sonos Play The Blend
Action Group Shop Volume 20
Action Group Shop Volume Up
Action Group Shop Volume Up
Action Group Shop Volume Up
Action Group Shop Volume Up
Action Group Shop Volume Up
Action Group Shop Off
Russound Error Error in plugin execution ExecuteAction:

Traceback (most recent call last):
File "plugin.py", line 68, in actionTurnZoneOff
File "/Library/Application Support/Perceptive Automation/Indigo 5/Plugins/Russound.indigoPlugin/Contents/Server Plugin/Russound.py", line 687, in actionGeneric
<type 'exceptions.StandardError'>: ServerCommunicationError -- timeout waiting for response

Sonos Error Error in plugin execution ExecuteAction:

Traceback (most recent call last):
File "plugin.py", line 171, in actionZP_SiriusXM
File "/Library/Application Support/Perceptive Automation/Indigo 6/Plugins/Sonos.indigoPlugin/Contents/Server Plugin/Sonos.py", line 504, in actionDirect
<type 'exceptions.StandardError'>: ServerCommunicationError -- timeout waiting for response

Russound Error Error in plugin execution ExecuteAction:

Traceback (most recent call last):
File "plugin.py", line 74, in actionSetZoneVolume
File "/Library/Application Support/Perceptive Automation/Indigo 5/Plugins/Russound.indigoPlugin/Contents/Server Plugin/Russound.py", line 687, in actionGeneric
<type 'exceptions.StandardError'>: ServerCommunicationError -- timeout waiting for response