Fatal error: Uncaught Error: Class 'WPMailSMTP\Admin\PageAbstract' not found in C:\xampp\htdocs\WAIT FOR DELETE\wp-content\plugins\wp-mail-smtp\src\Admin\Pages\MiscTab.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\WAIT FOR DELETE\wp-content\plugins\wp-mail-smtp\src\Admin\Pages\MiscTab.php on line 18