Hi! I was suffering from the same problem.My development environment is as follows.Xcode 11.3.1, iPhone 7 iOS 13.3.1, MacBook Pro (2016) macOS Catalina version 10.15.3I was able to solve it in the following way.1. Quit Xcode.2. Open the Mac desktop application Terminal.app.3. Execute command "rm -rf ~/Library/Developer/Xcode".4. Open Xcode.5. Select the Xcode menu "Product - Scheme - Edit Scheme".6. Check the "debug executable" in "Run - Info"7. Then I was able to debug.thanks.
chakiralu
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