Fatal error: Uncaught TypeError: Argument 1 passed to learn_press_get_course() must be of the type int, null given, called in /home/customer/www/agilearning.org/public_html/wp-content/plugins/learnpress/inc/course/lp-course-functions.php on line 263 and defined in /home/customer/www/agilearning.org/public_html/wp-content/plugins/learnpress/inc/course/lp-course-functions.php:23 Stack trace: #0 /home/customer/www/agilearning.org/public_html/wp-content/plugins/learnpress/inc/course/lp-course-functions.php(263): learn_press_get_course(NULL) #1 /home/customer/www/agilearning.org/public_html/wp-content/themes/course-builder/inc/custom-functions.php(1118): learn_press_is_enrolled_course() #2 /home/customer/www/agilearning.org/public_html/wp-content/themes/course-builder/inc/extras.php(22): thim_page_title() #3 /home/customer/www/agilearning.org/public_html/wp-includes/class-wp-hook.php(309): thim_body_classes(Array) #4 /home/customer/www/agilearning.org/public_html/wp-includes/plugin.php(189): WP_Hook->apply_filters(Array, Array in /home/customer/www/agilearning.org/public_html/wp-content/plugins/learnpress/inc/course/lp-course-functions.php on line 23