Cannot debug Swift module/framework embedded in Objective-C app

Question

Alternative titles (to aid searching)

• Cannot debug Swift 2.3 framework linked to an Objective-C app in Xcode 8
• error in auto-import: f

Answer 1

In my case, I had to remove Objective-C Bridging header from build settings file. My Bridging header file did not do anything.. so it was okay.