Error uploading google calendar

An error occurred; Uploading events to calendar “[email protected]/kristina Weiner/” failed with an error: Invalid Value

Error message: 3:17:12 PM MailExceptions.OperationException: Uploading events to calender ‘[email protected]/Kristina Weiner/’ failed with an error: Invalid Value —> The request ‘Google.Apis.Requests.Request(update @…)’ has failed. The service calendar has thrown an exception: Google.GoogleApiRequestException: Google.Apis.Requests.RequestError
Unsing eM Client version 4.0.15145.0 with windows 7 Home Premium 32 bit service pack 1

contact me directly at [email protected] - I will send you our internal version which should include the fix for this issue.