hi there
i'm trying to set up a new book-format in aperture 3.6 / yosemite 10.10
somehow, aperture crashes every time i activate the new format...
any help on this? it worked fine for years now - but updating to yosemite seems to have ruined this feature...?
rgds!
mµ
MacBook Pro (Retina, 15-inch, Mid 2014), OS X Yosemite (10.10)