Xcode codesign failed with exit code 1; expired certificates causing ambiguous matches – Eric HolsingerIf you work with Xcode code signing long enough you’ll run into an error like this: /usr/bin/codesign failed with exit code 1 If you view the build results (Build->Build Results), and expand the error message (there is a little paragraph button on the right-hand side of the line) you may see something like this: iPhone Developer: Firstname Lastname (hashcode): ambiguous (matches "iPhone Developer:
