Can’t bind to ‘formGroup’ since it isn’t a known property of ‘form’
The solution of this problem is : import FormsModule and ReactiveFormsModule in your module.
@NgModule({
imports: [
CommonModule,
FormsModule,
ReactiveFormsModule
],
declarations: [
ContactComponent
]
})
export class ContactModule {}
Lire aussi : Solution for : No Provider for FormBuilder