Fatal error: Uncaught TypeError: get_class(): Argument #1 ($object) must be of type object, null given in /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-content/plugins/tw-membership/include/models/celement.php:27
Stack trace:
#0 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-content/plugins/tw-membership/include/models/celement.php(27): get_class(NULL)
#1 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-content/plugins/tw-membership/include/models/course.php(517): MemberWunder\Models\CElement->is_preview()
#2 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-content/plugins/tw-membership/include/controller/pages.php(687): MemberWunder\Models\Course->get_link()
#3 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-includes/class-wp-hook.php(308): MemberWunder\Controller\Pages::load_logic(Object(WP))
#4 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(Object(MemberWunder\Hooks\Elementor), Array)
#5 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-includes/plugin.php(565): WP_Hook->do_action(Array)
#6 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-includes/class-wp.php(797): do_action_ref_array('wp', Array)
#7 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-includes/functions.php(1334): WP->main('')
#8 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-blog-header.php(16): wp()
#9 /customers/b/b/3/meekufu.com/httpd.www/memberbasic/index.php(17): require('/customers/b/b/...')
#10 {main}
  thrown in /customers/b/b/3/meekufu.com/httpd.www/memberbasic/wp-content/plugins/tw-membership/include/models/celement.php on line 27