So having turned on the debug log, upon visiting the site (4playtest.uk), all that was then visible was:


Deprecated: __autoload() is deprecated, use spl_autoload_register() instead in /home/o2dudohqiy39/public_html/wp-includes/compat.php on line 502

Fatal error: Uncaught Error: Class 'WP_Widget_Archives' not found in /home/o2dudohqiy39/public_html/wp-includes/class-wp-widget-factory.php:106 Stack trace: #0 /home/o2dudohqiy39/public_html/wp-includes/widgets.php(113): WP_Widget_Factory->register('WP_Widget_Archi...') #1 /home/o2dudohqiy39/public_html/wp-includes/widgets.php(1446): register_widget('WP_Widget_Archi...') #2 /home/o2dudohqiy39/public_html/wp-includes/plugin.php(524): wp_widgets_init('') #3 /home/o2dudohqiy39/public_html/wp-settings.php(411): do_action('init') #4 /home/o2dudohqiy39/public_html/wp-config.php(92): require_once('/home/o2dudohqi...') #5 /home/o2dudohqiy39/public_html/wp-load.php(39): require_once('/home/o2dudohqi...') #6 /home/o2dudohqiy39/public_html/wp-blog-header.php(13): require_once('/home/o2dudohqi...') #7 /home/o2dudohqiy39/public_html/index.php(17): require('/home/o2dudohqi...') #8 {main} thrown in /home/o2dudohqiy39/public_html/wp-includes/class-wp-widget-factory.php on line 106