Fatal error: Uncaught Error: Class "WP_Widget_Pages" not found in /home/server515901/ftp/jpa/wp-includes/class-wp-widget-factory.php:62
Stack trace:
#0 /home/server515901/ftp/jpa/wp-includes/widgets.php(123): WP_Widget_Factory->register('WP_Widget_Pages')
#1 /home/server515901/ftp/jpa/wp-includes/widgets.php(1825): register_widget('WP_Widget_Pages')
#2 /home/server515901/ftp/jpa/wp-includes/class-wp-hook.php(324): wp_widgets_init('')
#3 /home/server515901/ftp/jpa/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#4 /home/server515901/ftp/jpa/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#5 /home/server515901/ftp/jpa/wp-settings.php(700): do_action('init')
#6 /home/server515901/ftp/jpa/wp-config.php(96): require_once('/home/server515...')
#7 /home/server515901/ftp/jpa/wp-load.php(50): require_once('/home/server515...')
#8 /home/server515901/ftp/jpa/wp-blog-header.php(13): require_once('/home/server515...')
#9 /home/server515901/ftp/jpa/index.php(17): require('/home/server515...')
#10 {main}
thrown in /home/server515901/ftp/jpa/wp-includes/class-wp-widget-factory.php on line 62