Fatal error: Uncaught Error: Access to undeclared static property: Jetpack_Sync_Defaults::$default_max_queue_size in /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-settings.php:60 Stack trace: #0 /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-listener.php(300): Jetpack_Sync_Settings::get_setting('max_queue_siz') #1 /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-listener.php(33): Jetpack_Sync_Listener->set_defaults() #2 /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-listener.php(25): Jetpack_Sync_Listener->__construct() #3 /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-actions.php(284): Jetpack_Sync_Listener::get_instance() #4 /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-actions.php(51): Jetpack_Sync_Actions::initialize_listener() #5 /home/zective/blog/wp-includes/class-wp-hook.php(286): Jetpack_Sync_Actions::init('') #6 /home/zective/blog/wp-includes/class-wp-hook.php(310): WP_Hook->a in /home/zective/blog/wp-content/plugins/jetpack/sync/class.jetpack-sync-settings.php on line 60