Error when clicking on federated calendar entry

If I click on a Google calendar entry in my calendar I get the following error

I have set the calendar to be accessible off line

Subject: Would you mind putting your logfiles in the response

Subject: Logs attached

These were in \data\workspace\logs and are the only files updated today.

Please let me know if there are other files required, if so where to locate them

Subject: Thanx, fixed for GA bld