Hi...
Did you read the error message?
"...The AR System Plug-In server is not responding..."
I understand you did install the pluginserver.
Q1: But are you sure the pluginserver is running?
Q2: Have the links in the ar.cfg-file been created to identify your plugin?
Q3: Are there any clues in the error.log of the ar-server?
Q4: Are you accessing the plugin you have setup and checked when you get the error?
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Quick