Fatal error: Uncaught Error: Class "himiklab\yii2\recaptcha\ReCaptchaValidator2" not found in /var/www/binary/vendor/himiklab/yii2-recaptcha-widget/src/ReCaptchaValidator.php:20 Stack trace: #0 {main} thrown in /var/www/binary/vendor/himiklab/yii2-recaptcha-widget/src/ReCaptchaValidator.php on line 20