Warning: require(/var/www/magento/vendor/composer/../amzn/amazon-pay-and-login-with-amazon-core-module/registration.php): failed to open stream: No such file or directory in /var/www/magento/vendor/composer/autoload_real.php on line 73

Fatal error: require(): Failed opening required '/var/www/magento/vendor/composer/../amzn/amazon-pay-and-login-with-amazon-core-module/registration.php' (include_path='/var/www/magento/vendor/magento/zendframework1/library:.:/usr/local/lib/php') in /var/www/magento/vendor/composer/autoload_real.php on line 73