APK cannot install
问题 Our app, used to work. The last update published 2 and a half weeks ago when the apk file created and worked properly. The last 2 days when we are trying to create the apk (signed or not the problem appears), no errors are thrown from Android Studio, but when the apk is going to be installed on the phone, the app is failed to install with an error "App not Installed" Additionally the following errors are appearing in Android Monitor. Class not found when unmarshalling: com.android