How to fix the "Data path "" must NOT have additional properties(standalone)" error

Ionic Framework
1

I just cloned the conference repo and i am trying to generate my first component using the command

ng generate component contact/form

I keep getting this error
"

Schematic input does not validate against the Schema: {“project”:“app”,“name”:“contact/form”,“displayBlock”:false,“inlineStyle”:false,“inlineTemplate”:false,“standalone”:false,“changeDetection”:“Default”,“style”:“css”,“type”:“Component”,“skipTests”:true,“flat”:false,“skipImport”:false,“skipSelector”:false,“export”:false}
Errors:

Data path “” must NOT have additional properties(standalone).
[ERROR] Could not generate component.

"
i tried to change the command to be “ionic generate component test” , same issue.
I dnt know what i am doing wrong , this is my ionic info

Ionic:

Ionic CLI : 7.2.0 (C:\Program Files\nvm\v20.12.2\node_modules@ionic\cli)
Ionic Framework : @ionic/angular 8.0.0
@angular-devkit/build-angular : 16.0.0
@angular-devkit/schematics : 16.0.0
@angular/cli : 16.0.0
@ionic/angular-toolkit : 6.1.0

Capacitor:

Capacitor CLI : 4.6.3
@capacitor/android : 4.6.3
@capacitor/core : 4.6.3
@capacitor/ios : 4.6.3

Utility:

cordova-res : 0.15.4
native-run : 1.7.1

System:

NodeJS : v20.12.2 (C:\Program Files\nodejs\node.exe)
npm : 10.5.0
OS : Windows 10