I'm doing a little experimentation with Couchbase and iOS and, while trying a test, ran across a new Xcode build error. The error output is: "(null): File is universal (3 slices) but does not contain a(n) armv7s slice: /Users/dougtoppin/Desktop/iOS/Demo-couchdb-01/Couchbase.framework/Couchbase for architecture armv7s". I ran across a few different suggested solutions but one small change fixed it for me. All that I had to do was the following in Xcode: Build Settings -> Architectures -> Build Active Architecture Only -> toggle from no to yes I ran across that tidbit at http://stackoverflow.com/questions/12402092/file-is-universal-3-slices-but-does-not-contain-an-armv7s-slice-error-for-st