Sync failure with Leopard and iPhone Mk1

I used to be able to sync addresses and calendars before installing Leopard, now I get the attached message "ITunes was unable to load dataclass information from Sync Services. Reconnect or try again later" Very helpful. Anyone out there know what to do?

Hi bentlyman,
Thanks for visiting Apple Support Communities.
I recommend starting with the troubleshooting steps in this article if you receive an error when syncing your iPhone:
iOS: Troubleshooting USB-related alerts when syncing
http://support.apple.com/kb/TS5254
Cheers,
Jeremy

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Sync failure with Leopard and iPhone Mk1

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