Fatal error: Uncaught Error: Class "WP_Optimize_Page_Cache_Preloader" not found
in /customers/9/b/5/knwv.be/httpd.www/wp-content/plugins/wp-optimize/cache/class-wpo-page-cache.php on line 1435

Call stack:

  1. WPO_Page_Cache::cron_schedules()
    wp-includes/class-wp-hook.php:324
  2. WP_Hook::apply_filters()
    wp-includes/plugin.php:205
  3. apply_filters()
    wp-includes/cron.php:1115
  4. wp_get_schedules()
    wp-includes/cron.php:1013
  5. _wp_cron()
    wp-includes/class-wp-hook.php:324
  6. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:348
  7. WP_Hook::do_action()
    wp-includes/plugin.php:517
  8. do_action()
    wp-settings.php:717
  9. require_once()
    wp-config.php:91
  10. require_once()
    wp-load.php:50
  11. require_once()
    wp-blog-header.php:13
  12. require()
    index.php:17

Query Monitor

Fatal error: Uncaught Error: Class "WP_Optimize_Page_Cache_Preloader" not found in /customers/9/b/5/knwv.be/httpd.www/wp-content/plugins/wp-optimize/cache/class-wpo-page-cache.php:1435 Stack trace: #0 /customers/9/b/5/knwv.be/httpd.www/wp-includes/class-wp-hook.php(324): WPO_Page_Cache->cron_schedules(Array) #1 /customers/9/b/5/knwv.be/httpd.www/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #2 /customers/9/b/5/knwv.be/httpd.www/wp-includes/cron.php(1115): apply_filters('cron_schedules', Array) #3 /customers/9/b/5/knwv.be/httpd.www/wp-includes/cron.php(1013): wp_get_schedules() #4 /customers/9/b/5/knwv.be/httpd.www/wp-includes/class-wp-hook.php(324): _wp_cron('') #5 /customers/9/b/5/knwv.be/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #6 /customers/9/b/5/knwv.be/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /customers/9/b/5/knwv.be/httpd.www/wp-settings.php(717): do_action('wp_loaded') #8 /customers/9/b/5/knwv.be/httpd.www/wp-config.php(91): require_once('/customers/9/b/...') #9 /customers/9/b/5/knwv.be/httpd.www/wp-load.php(50): require_once('/customers/9/b/...') #10 /customers/9/b/5/knwv.be/httpd.www/wp-blog-header.php(13): require_once('/customers/9/b/...') #11 /customers/9/b/5/knwv.be/httpd.www/index.php(17): require('/customers/9/b/...') #12 {main} thrown in /customers/9/b/5/knwv.be/httpd.www/wp-content/plugins/wp-optimize/cache/class-wpo-page-cache.php on line 1435