Fatal error: Uncaught Error: Class "WP_List_Table" not found in /var/www/www-root/data/www/sinhron-too.kz/wp-content/plugins/sinhron_plugin/admin/Invoice_Promocode_Table.php:12 Stack trace: #0 /var/www/www-root/data/www/sinhron-too.kz/wp-content/plugins/sinhron_plugin/admin/include.php(15): require_once() #1 /var/www/www-root/data/www/sinhron-too.kz/wp-content/plugins/sinhron_plugin/sinhron_plugin.php(10): include_once('/var/www/www-ro...') #2 /var/www/www-root/data/www/sinhron-too.kz/wp-settings.php(473): include_once('/var/www/www-ro...') #3 /var/www/www-root/data/www/sinhron-too.kz/wp-config.php(111): require_once('/var/www/www-ro...') #4 /var/www/www-root/data/www/sinhron-too.kz/wp-load.php(50): require_once('/var/www/www-ro...') #5 /var/www/www-root/data/www/sinhron-too.kz/wp-blog-header.php(13): require_once('/var/www/www-ro...') #6 /var/www/www-root/data/www/sinhron-too.kz/index.php(17): require('/var/www/www-ro...') #7 {main} thrown in /var/www/www-root/data/www/sinhron-too.kz/wp-content/plugins/sinhron_plugin/admin/Invoice_Promocode_Table.php on line 12