google plus bot getting this error

when i am using ch google plus bot getting this error any one help me
Cleaning History
@gmail.com 121432917: 11/24/2011 11:06:45 AM: Getting gmail login page
@gmail.com 121432917: 11/24/2011 11:06:56 AM: Loggin in...
@gmail.com 121432917: 11/24/2011 11:07:10 AM: Checking if +1 profile exists
@gmail.com 121432917: 11/24/2011 11:07:24 AM: Browser is not supported
@gmail.com 121432917: 11/24/2011 11:07:24 AM: This is a free edition, waiting 5 minutes till next G+ next rate, for full edition contact sales