Using Mlmodel, Xcode reports "Command CodeSign failed with a nonzero exit" code

When I use an mlmodel called tinyyolo in my project, after building, xcode reports “ Command CodeSign failed with a nonzero exit code”. The problem should be with the mlmodel. But I don't know what‘s wrong and how to solve it.

Using Mlmodel, Xcode reports "Command CodeSign failed with a nonzero exit" code
 
 
Q