Xcode: Build Failed, but no error messages
You can see reasons for failure on Report Navigator present in Navigator window.
- Open Navigator by pressing
Hide/Show Navigatorbutton present in top-left side of Xcode.
- Open
Report Navigatorby pressing last button present on list of buttons in Navigator window.
Here you can view reasons either By Group or By Time
Click the last icon in the top bar of the left most panel in your Xcode window to reveal the secret Archive build errors.
It will likely be something related to code signing if you are able to build and run the app, but not Archive. Further googling of your error message should resolve that now that it has been revealed.