Fatal error: Uncaught Error: Call to undefined function get_rest_url() in /home/engmatesin/public_html/wp-content/plugins/learnpress/inc/admin/views/tools/course/html-assign-course.php:10 Stack trace: #0 {main} thrown in /home/engmatesin/public_html/wp-content/plugins/learnpress/inc/admin/views/tools/course/html-assign-course.php on line 10