Linker error: undefined symbols, symbols not found

Question

I\'m getting these Apple Mach-O Linker errors and I don\'t know how to read these things. I got these error after importing \"CLCredentialHeader.h\" and \"CLCredentialHeader

Answer 1

Make sure that SFHFKeychainUtils.m appears in the "Compile Sources" Build Phase for your build target. Sometimes, adding files to a project in Xcode doesn't add all implementation files to the appropriate targets.