Fatal error: Uncaught Error: Class 'GF_Async_Task' not found in /home/deploy/app/releases/106/wp-content/plugins/wp-synchronization-output/index.php:43 Stack trace: #0 /home/deploy/app/releases/106/wp-includes/class-wp-hook.php(286): my_init_gf_task('') #1 /home/deploy/app/releases/106/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/deploy/app/releases/106/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/deploy/app/releases/106/wp-settings.php(327): do_action('plugins_loaded') #4 /home/deploy/app/releases/106/wp-config.php(45): require_once('/home/deploy/ap...') #5 /home/deploy/app/releases/106/wp-load.php(37): require_once('/home/deploy/ap...') #6 /home/deploy/app/releases/106/wp-blog-header.php(13): require_once('/home/deploy/ap...') #7 /home/deploy/app/releases/106/index.php(54): require('/home/deploy/ap...') #8 {main} thrown in /home/deploy/app/releases/106/wp-content/plugins/wp-synchronization-output/index.php on line 43