Fatal error: Uncaught Exception: This library must be installed via composer or by downloading the full package. See the instructions at https://github.com/google/google-api-php-client#installation. in /home3/mercatri/public_html/wp-content/plugins/tutor-pro/addons/google-classroom/src/Google/autoload.php:14 Stack trace: #0 /home3/mercatri/public_html/wp-content/plugins/tutor-pro/addons/google-classroom/src/Google/Collection.php(4): require_once() #1 {main} thrown in /home3/mercatri/public_html/wp-content/plugins/tutor-pro/addons/google-classroom/src/Google/autoload.php on line 14