Whenever I try to use a build configuration named other than \'Debug\' or \'Release\', Xcode suddenly cannot find my Swift frameworks. The configurations are the exact same
I had this issue as well and fixed it by adding the same configuration names to the included Alamofire project.
My build schemes in my main project:
And the build schemes inside the Alamofire project:
Note: Also, make sure your iOS deployment target is the same in both projects.