Fatal error: Uncaught TypeError: Return value of LP_Abstract_User::get_course_data() must be an instance of LP_User_Item_Course, bool returned in /home/chinasocgk/www/wp-content/plugins/learnpress/inc/user/abstract-lp-user.php:126 Stack trace: #0 /home/chinasocgk/www/wp-content/plugins/learnpress/inc/lp-template-functions.php(283): LP_Abstract_User->get_course_data(1786) #1 /home/chinasocgk/www/wp-includes/class-wp-hook.php(292): learn_press_single_course_args('') #2 /home/chinasocgk/www/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #3 /home/chinasocgk/www/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #4 /home/chinasocgk/www/wp-includes/general-template.php(3009): do_action('wp_head') #5 /home/chinasocgk/www/wp-content/themes/gusto/header.php(25): wp_head() #6 /home/chinasocgk/www/wp-includes/template.php(730): require_once('/home/chinasocg...') #7 /home/chinasocgk/www/wp-includes/template.php(676): load_template('/home/chinasocg...', true, Array) #8 /home/chinasocgk/www/wp-includes/gene in /home/chinasocgk/www/wp-content/plugins/learnpress/inc/user/abstract-lp-user.php on line 126