Problem
The following error occurs when invoking command ng generate:
An unhandled exception occurred: Schematic "appShell" not found in collection "@ionic/angular-toolkit".
The following error occurs when invoking command ng generate:
An unhandled exception occurred: Schematic "appShell" not found in collection "@ionic/angular-toolkit".
You're using the wrong command. When working with Ionic v4, you must use Ionic commands.
Use instead ionic generate.