From Apple:“Issue or symptomRunning Time Machine backup or restore operations while Aperture is running may lead to inconsistencies in the Aperture database.Products affectedApertureMac OS X 10.5 LeopardSolutionIf you use Time Machine with Leopard, be sure to set your computer up so that Time Machine only does manual backups. Avoid performing either backups or restores while Aperture is running.This document will be updated as more information becomes available.”
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