ICal freezing and quitting because of Google integration?

Question

Hi.
I recently added Google Calendar to my iCal by the normal inputting of my information for my Google account. But now, when I open my iCal, I get this error message:
"The server responded with an error.
The server did not recognize your user name or password for account “GoogleMail.” Make sure you enter them correctly."
I click on OK, then it waits a split second before throwing up the same message, to which I click OK again. After that it freezes and quits. It does this every time. It also means my iPhone has lost all the events that were on the Google Calendar when it syncs with my iCal. How can I get iCal working again?
Any help would be gratefully received!
Thanks.

Answer 1

by 'reset' - do you mean remove the account and add it again?
I've tried doing a few things but still getting the same error.
It connects to the server and creates the account and then comes back with the error message:
"The server did not recognize your user name or password for account “***@gmail.com.” Make sure you enter them correctly."