Warning: require_once(/var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-content/plugins/wp-rocket/inc/Dependencies/ActionScheduler/classes/abstracts/ActionScheduler.php): Failed to open stream: No such file or directory in /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-content/plugins/wp-rocket/inc/Dependencies/ActionScheduler/action-scheduler.php on line 54

Fatal error: Uncaught Error: Failed opening required '/var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-content/plugins/wp-rocket/inc/Dependencies/ActionScheduler/classes/abstracts/ActionScheduler.php' (include_path='.') in /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-content/plugins/wp-rocket/inc/Dependencies/ActionScheduler/action-scheduler.php:54 Stack trace: #0 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-content/plugins/wp-rocket/inc/Dependencies/ActionScheduler/classes/ActionScheduler_Versions.php(59): action_scheduler_initialize_3_dot_5_dot_4() #1 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-includes/class-wp-hook.php(322): ActionScheduler_Versions::initialize_latest_version() #2 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #3 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action() #4 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-settings.php(506): do_action() #5 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-config.php(114): require_once('...') #6 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-load.php(50): require_once('...') #7 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-blog-header.php(13): require_once('...') #8 /var/www/vhosts/understandingsociety.ac.uk/httpdocs/index.php(17): require('...') #9 {main} thrown in /var/www/vhosts/understandingsociety.ac.uk/httpdocs/wp-content/plugins/wp-rocket/inc/Dependencies/ActionScheduler/action-scheduler.php on line 54
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