Fatal error: Uncaught Error: Interface "Google\Auth\FetchAuthTokenInterface" not found in D:\inetpub\localuser\static.ecare.pro\fcm\google-auth-library-php-1.39.0\src\OAuth2.php:39
Stack trace:
#0 {main}
  thrown in D:\inetpub\localuser\static.ecare.pro\fcm\google-auth-library-php-1.39.0\src\OAuth2.php on line 39