...IonicApp\platforms\android\app\res\xml\config.xml is missung the error message says.
ionic info:
cli packages: (C:\Users\Programmieren\AppData\Roaming\npm\node_modules)
    @ionic/cli-utils  : 1.19.0
    ionic (Ionic CLI) : 3.19.0
global packages:
    cordova (Cordova CLI) : 8.0.0
local packages:
    @ionic/app-scripts : 3.1.7
    Cordova Platforms  : android 7.0.0 ios 4.4.0
    Ionic Framework    : ionic-angular 3.9.2
System:
    Android SDK Tools : 26.1.1
    Node              : v8.9.1
    npm               : 5.5.1
    OS                : Windows 7
Environment Variables:
    ANDROID_HOME : C:\Users\Programmieren\AndroidSDK
Misc:
    backend : legacy
Should I copy my confix.xml to that destination and why the app\res\ folder don’t contains a xml folder?
Which xml file needs to be there? any Ideas?
I’m using gradle 4.1 as provided by my android studio instalation.