Cannot find module '@schematics/angular/utility/project'

If I do ionic generate component xxx

An unhandled exception occurred: Cannot find module '@schematics/angular/utility/project' Require stack:

• 
  /Users/user/develop/myapp/node_modules/@ionic/angular-toolkit/schematics/component/index.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular-devkit/schematics/tools/export-ref.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular-devkit/schematics/tools/index.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular/cli/utilities/json-schema.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular/cli/models/command-runner.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular/cli/lib/cli/index.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular/cli/lib/init.js
  
  
• 
  /Users/user/develop/myapp/node_modules/@angular/cli/bin/ng
  
  Ionic:
  
  Ionic CLI : 6.10.1 (/usr/local/lib/node_modules/@ionic/cli)
  Ionic Framework : @ionic/angular 5.2.3
  @angular-devkit/build-angular : 0.1000.2
  @angular-devkit/schematics : 10.0.2
  @angular/cli : 10.0.2
  @ionic/angular-toolkit : 2.2.0
  
  
  Capacitor:
  
  Capacitor CLI : 2.1.2
  @capacitor/core : 2.1.2
  
  
  Cordova:
  
  Cordova CLI : 9.0.0 (cordova-lib@9.0.1)
  Cordova Platforms : android 8.1.0
  Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.2.1, (and 7 other plugins)
  
  
  Utility:
  
  cordova-res : not installed
  native-run : not installed
  
  
  System:
  
  ios-sim : 8.0.2
  NodeJS : v12.18.1 (/usr/local/bin/node)
  npm : 6.14.6
  OS : macOS Catalina
  Xcode : Xcode 11.5 Build version 11E608c

Continue reading...