Fatal error: Uncaught Error: Class "WP_Widget" not found in /home/humblecl/public_html/stli/wp-includes/widgets/class-wp-nav-menu-widget.php:17
Stack trace:
#0 {main}
thrown in /home/humblecl/public_html/stli/wp-includes/widgets/class-wp-nav-menu-widget.php on line 17