clang: error: linker command failed with exit code 1 (use -v to see invocation)

Hello, I have a problem compiling my game to iOS, it used to work without problems until yesterday, but now I cant build the exported project from Unity to my iPhone, here is the log: http://pastebin.com/BR6JULsL so it just says at the end: clang: error: linker command failed with exit code 1 (use -v to see invocation) and nothing else, and I can't find a solution on Internet, can anyone help me please?