Fatal error: Uncaught Error: Class "PayPal\Api\TransactionBase" not found in /var/www/html/ohnishi-test.site/PayPal-PHP-SDK-master/lib/PayPal/Api/Transaction.php:13
Stack trace:
#0 {main}
thrown in /var/www/html/ohnishi-test.site/PayPal-PHP-SDK-master/lib/PayPal/Api/Transaction.php on line 13