title: i authenticate user phone with firebase its working fine but suddenly i face problem i search a lot but find nothing. this is the exception message
body: <p>This request is missing a valid app identifier, meaning that neither SafetyNet checks nor reCAPTCHA checks succeeded. Please try again, or check the logcat for more details.</p>
  <pre><code>       @Override
          public void onVerificationFailed(FirebaseException e) {
              Log.d(&quot;firebase_auth_error&quot;, e.getMessage());
              kProgressHUD.dismiss();
              Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
          }
  </code></pre>
  <hr />
  <pre><code>E/FirebaseAuth: [GetAuthDomainTask] Error getting project config. Failed with {
        &quot;error&quot;: {
          &quot;code&quot;: 403,
          &quot;message&quot;: &quot;Requests from this Android client application \u003cempty\u003e are blocked.&quot;,
          &quot;errors&quot;: [
            {
              &quot;message&quot;: &quot;Requests from this Android client application \u003cempty\u003e are 
              blocked.&quot;,
              &quot;domain&quot;: &quot;global&quot;,
              &quot;reason&quot;: &quot;forbidden&quot;
            }
          ],
          &quot;status&quot;: &quot;PERMISSION_DENIED&quot;
        }
      }
   403`enter code here`
  </code></pre>