Can't bind to 'ngModel' since it isn't a known property of 'input'

I have this simple input in my component which uses [(ngModel)] :

<input type="text" [(ngModel)]="test" placeholder="foo" />


And I get the following error when I launch my app, even if the component is not displayed.

zone.js:461 Unhandled Promise rejection: Template parse errors: Can't bind to 'ngModel' since it isn't a known property of 'input'.
​

Here is the component.ts:

import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
import { Intervention } from '../../model/intervention';

@Component({
selector: 'intervention-details',
templateUrl: 'app/intervention/details/intervention.details.html',
styleUrls: ['app/intervention/details/intervention.details.css']
})

export class InterventionDetails
{
@Input() intervention: Intervention;

public test : string = "toto";
}

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