Xcode version problem

[supermeer]

I have created an new project with Xcode(version 10.2) and add CocoaHTTPServer to it,it not work on device.Then i used an old project (created 4 years before) ,it work.

[supermeer]

The problem was solved by rebooting the Xcode

[leewaycn]

thank you for the issue.maybe you will help a lot of people who saw these .
I hope that you can solve my problem. cause I met the same.