Fatal error: Uncaught Error: Class 'WDTIViewWidget' not found in /var/www/html/wp-content/plugins/widget-twitter/admin/controllers/WDTIControllerWidget.php:31 Stack trace: #0 /var/www/html/wp-includes/class-wp-widget-factory.php(100): WDTIControllerWidget->__construct() #1 /var/www/html/wp-includes/widgets.php(115): WP_Widget_Factory->register('WDTIControllerW...') #2 /var/www/html/wp-content/plugins/widget-twitter/twitter.php(71) : runtime-created function(1): register_widget('WDTIControllerW...') #3 /var/www/html/wp-includes/class-wp-hook.php(286): __lambda_func('') #4 /var/www/html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #5 /var/www/html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #6 /var/www/html/wp-includes/widgets.php(1648): do_action('widgets_init') #7 /var/www/html/wp-includes/class-wp-hook.php(286): wp_widgets_init('') #8 /var/www/html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #9 /var/www/html/wp-includes/plugin.php(453): WP_Hook->do_action( in /var/www/html/wp-content/plugins/widget-twitter/admin/controllers/WDTIControllerWidget.php on line 31