title: No value accessor for form control with name: 'recaptchaReactive'
body: <p>Working from this example <a href="https://stackblitz.com/edit/ng-recaptcha-example?file=src%2Fapp%2Fapp.component.ts" rel="nofollow noreferrer">https://stackblitz.com/edit/ng-recaptcha-example?file=src%2Fapp%2Fapp.component.ts</a></p>
  
  <p>May be related to: <a href="https://stackoverflow.com/questions/45659742/angular4-no-value-accessor-for-form-control">Angular4 - No value accessor for form control</a></p>
  
  <p>In my form, I have the following.</p>
  
  <pre><code>&lt;form [formGroup]="loginForm" (ngSubmit)="onSubmit()"&gt;
      &lt;mat-form-field class="example-full-width"&gt;
         &lt;input matInput placeholder="{{'Email' | translate}}" formControlName="email"                                        [errorStateMatcher]="matcher"&gt;
  
          &lt;mat-error *ngIf="loginForm.controls['email'].hasError('email') || loginForm.controls['email'].hasError('required')"&gt;
               {{"Enter a valid email address" | translate}}
          &lt;/mat-error&gt;
      &lt;/mat-form-field&gt;
      &lt;re-captcha formControlName="recaptchaReactive"&gt;&lt;/re-captcha&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>The email field (and password which I omitted) do work.
  In the component, I have the following.</p>
  
  <pre><code>loginForm = new FormGroup({
      email: new FormControl('', [
          Validators.email,
          Validators.required
      ]),
      password: new FormControl('', [
          Validators.required,
          Validators.minLength(8)
      ]),
      recaptchaReactive: new FormControl(null, Validators.required)
  });
  </code></pre>