Warning: require(/var/www/html/vendor/mageplaza/magento-2-one-step-checkout-extension/registration.php): Failed to open stream: No such file or directory in /var/www/html/vendor/composer/autoload_real.php on line 41

Fatal error: Uncaught Error: Failed opening required '/var/www/html/vendor/composer/../mageplaza/magento-2-one-step-checkout-extension/registration.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/html/vendor/composer/autoload_real.php:41 Stack trace: #0 /var/www/html/vendor/composer/autoload_real.php(45): {closure}() #1 /var/www/html/vendor/autoload.php(25): ComposerAutoloaderInit6d9a4f9694c0d3d278afc9449d41e853::getLoader() #2 /var/www/html/app/autoload.php(51): include('...') #3 /var/www/html/app/bootstrap.php(44): require_once('...') #4 /var/www/html/pub/index.php(15): require('...') #5 {main} thrown in /var/www/html/vendor/composer/autoload_real.php on line 41