In addition to the Pro Applications update tonight, Apple also issued an update for Final Cut Server. Final Cut Server 1.1 address "issues with the check in/check out process for Final Cut Pro projects." In addition, double-byte character sets are now fixed and overall reliability has improved. Apple is recommending this update for all Final Cut Server 1.0 users.
You can download this update by opening Software Update (choosing Software Update from the Apple menu) or by downloading the installer package from the Apple Downloads Website. You can find detailed information about this update by visiting the Final Cut Server release notes page.