Fatal error: Uncaught Error: Interface "Psr\Log\LoggerInterface" not found in /var/www/html/ohnishi-test.site/_paypal-develop-php/vendor/psr/log/Psr/Log/AbstractLogger.php:12 Stack trace: #0 {main} thrown in /var/www/html/ohnishi-test.site/_paypal-develop-php/vendor/psr/log/Psr/Log/AbstractLogger.php on line 12