Thanks @EinfachHans but still the same problem after upgrading ionic/cli
> ionic info
Ionic:
Ionic CLI : 6.1.0 (/usr/local/lib/node_modules/@ionic/cli)
Ionic Framework : @ionic/angular 5.0.0
@angular-devkit/build-angular : 0.801.3
@angular-devkit/schematics : 8.1.3
@angular/cli : 8.1.3
@ionic/angular-toolkit : 2.1.2
Cordova:
Cordova CLI : 8.0.0
Cordova Platforms : none
Cordova Plugins : no whitelisted plugins (0 plugins total)
Utility:
cordova-res : not installed
native-run : not installed
System:
Android SDK Tools : 26.1.1 (/Users/lucascrivelli/Library/Android/sdk)
ios-deploy : 1.9.4
NodeJS : v10.16.1 (/usr/local/bin/node)
npm : 6.9.0
OS : macOS Catalina
Xcode : Xcode 10.3 Build version 10G8