import { Controller } from '@hotwired/stimulus';

/*
 * This is an example Stimulus controller!
 *
 * Any element with a data-controller="hello" attribute will cause
 * this controller to be executed. The name "hello" comes from the filename:
 * hello_controller.js -> "hello"
 *
 * Delete this file or adapt it for your use!
 */
export default class extends Controller {
    connect() {
        this.element.textContent = 'Hello Stimulus! Edit me in assets/controllers/hello_controller.js';
    }
}
<br />
<b>Fatal error</b>:  Uncaught TypeError: Invalid return value: callable object expected, &quot;int&quot; returned from &quot;/var/www/html/public/assets/controllers/hello_controller-VYgvytJ.js&quot;. in /var/www/html/vendor/autoload_runtime.php:12
Stack trace:
#0 /var/www/html/public/index.php(5): require_once()
#1 {main}
  thrown in <b>/var/www/html/vendor/autoload_runtime.php</b> on line <b>12</b><br />