After updating to Xcode 5.1, I can no longer build my project for the 64-bit simulator, receiving this error: No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i386). These are my target build settings: I tried changing "Build Active Architecture" to No, as well as adding "i386" to the "Valid Architectures", unfortunately neither worked. Thanks for any suggesti