Fatal error: Uncaught Error: Call to undefined function get_option() in /home/kacperg/public_html/kacpergr/wp-content/plugins/simple-custom-post-order/settings.php:2 Stack trace: #0 {main} thrown in /home/kacperg/public_html/kacpergr/wp-content/plugins/simple-custom-post-order/settings.php on line 2