Installation/Startup Issue with PHP 7 built-in server

I wonder if it has to do with different characters in the path? Or, in the case of the first example, it's running out Mobile Documents in Library, which may have different restrictions on it. Can you try to run it in your home directory maybe? Ensure there's no spaces, foreign language symbols, etc. If that works, then we have something to start diagnosing.

 Thanks a lot! The problem is solved. I have placed the project in the htdocs folder in Mamp on my mac  and I solved the problem. Before I had put the project in a folder with Chinese name in Dropbox . I think the problem was the Chinese characters in the path.