Fatal error: Uncaught Error: Call to undefined function wp_get_current_user() in /wp-includes/capabilities.php:892 Stack trace: #0 /wp-content/plugins/restore-classic-widgets/restore_classic_widgets.php(71): is_super_admin() #1 /wp-settings.php(409): include_once('/wp-content/plu...') #2 /wp-config.php(97): require_once('/wp-settings.ph...') #3 /wp-load.php(50): require_once('/wp-config.php') #4 /wp-blog-header.php(13): require_once('/wp-load.php') #5 /index.php(17): require('/wp-blog-header...') #6 {main} thrown in /wp-includes/capabilities.php on line 892