website crashed – what do to?

hi guys, something happened to the website. not sure what’s going on.

i get this message on homepage in both FF and chrome.

link https://goo.gl/haQUnc

abstract class ITSEC_Scheduler { const S_HOURLY = 'hourly'; const S_FOUR_DAILY = 'four-daily'; const S_TWICE_DAILY = 'twice-daily'; const S_DAILY = 'daily'; const S_WEEKLY = 'weekly'; const S_MONTHLY = 'monthly'; const LOCK_SCHEDULING = 'scheduling'; /** @var array */ protected $custom_schedules = array(); /** @var array */ protected $loops = array(); /** * Schedule a recurring event. * * Only one event with the given id can be scheduled at a time. * * @param string $schedule * @param string $id * @param array $data * @param array $opts * - fire_at: Manually specify the first time the event should be fired. * * @return bool */ abstract public function schedule( $schedule, $id, $data = array(), $opts = array() ); /** * Schedule a single event. * * Only one event with the given id and same set of data can be scheduled at the same time. * * Unlike Core's CRON implementation, event if a single event is more than 10 minutes in the future, it cannot be scheduled. * * @param int $at * @param string $id * @param array $data * * @return bool */ abstract public function schedule_once( $at, $id, $data = array() ); /** * Schedule a single event to run soon. * * @param string $id * @param array $data * * @return bool */ public function schedule_soon( $id, $data = array() ) { return $this->schedule_once( ITSEC_Core::get_current_time_gmt() + 60 * mt_rand( 1, 10 ), $id, $data ); } /** * Schedule an event loop. * * @param string $id The event ID. * @param array $data Event data. * @param array $opts * - fire_at: Manually specify the first time the event should be fired. */ public function schedule_loop( $id, $data = array(), $opts = array() ) { $start = isset( $opts['fire_at'] ) ? $opts['fire_at'] : ITSEC_Core::get_current_time_gmt() + 60 * mt_rand( 1, 30 ); $this->schedule_once( $start, $id, array_merge( $data, array( 'loop_start' => $start, 'loop_item' => 1, ) ) ); } /** * Is a recurring event scheduled. * * @param string $id * * @return bool */ abstract public function is_recurring_scheduled( $id ); /** * Is a single event scheduled with the given data. * * @param string $id The event ID to check. * @param array|null $data The event data. Pass null to check if any event is scheduled with that ID, * regardless of the data. * * @return bool */ abstract public function is_single_scheduled( $id, $data = array() ); /** * Unschedule a recurring event. * * @param string $id * * @return bool */ abstract public function unschedule( $id ); /** * Unschedule a single event. * * The data specified needs to be identical to the data the single event was scheduled with. * * @param string $id The event ID to unschedule. * @param array|null $data Unschedules the event with the given data. Pass null to delete any and all events matching the ID. * * @return bool */ abstract public function unschedule_single( $id, $data = array() ); /** * Get all of the scheduled recurring events. * * Each event is an array with the following properties. * - id: The ID the event was scheduled with. * - data: The data the event was scheduled with. * - fire_at: The next time the event should be fired. * - schedule: The selected schedule. See S_HOURLY, etc... * * @return array */ abstract public function get_recurring_events(); /** * Get all of the single events. * * Each event is an array with the following properties. * - id: The ID the event was scheduled with. * - data: The data the event was scheduled with. * - fire_at: The time the event should be fired. * * @return array */ abstract public function get_single_events(); /** * Run a recurring event, even if it is not time to. * * This will _not_ update the last fired time. * * @param string $id * * @return void */ abstract public function run_recurring_event( $id ); /** * Run a single event, even if it is not time to. * * This will clear the event from the schedule. * * @param string $id * @param array $data * * @return void */ abstract public function run_single_event( $id, $data = array() ); /** * Code executed on every page load to setup the scheduler. * * @return void */ abstract public function run(); /** * Manually trigger modules to register their scheduled events. * * @return void */ public function register_events() { /** * Register scheduled events. * * Events should be registered in response to a user action, for example activating a module or changing a setting. * Occasionally, iThemes Security will manually ask for all events to be scheduled. * * @param ITSEC_Scheduler $this */ do_action( 'itsec_scheduler_register_events', $this ); } /** * Register a custom schedule. * * @param string $slug * @param int $interval */ public function register_custom_schedule( $slug, $interval ) { $this->custom_schedules[ $slug ] = $interval; } /** * Register an event loop. * * This allows for splitting up a long running process across multiple page loads. * * @param string $id The event ID. * @param string $schedule The schedule between loop starts. This is the maximum amount of time to wait. * @param int $wait Time to wait in seconds between loop parts. */ public function register_loop( $id, $schedule, $wait ) { $this->loops[ $id ] = array( 'schedule' => $schedule, 'wait' => $wait, ); } /** * Get the loop configuration. * * @param string $id * * @return array */ public function get_loop( $id ) { return isset( $this->loops[ $id ] ) ? $this->loops[ $id ] : array(); } /** * Get a lock to be used for scheduling events. * * @return bool */ protected function scheduling_lock() { return ITSEC_Lib::get_lock( self::LOCK_SCHEDULING, 5 ); } /** * Release the lock used for scheduling events. */ protected function scheduling_unlock() { ITSEC_Lib::release_lock( self::LOCK_SCHEDULING ); } /** * Make a job object. * * @param string $id * @param array $data * @param array $opts * * @return ITSEC_Job */ protected function make_job( $id, $data, $opts = array() ) { return new ITSEC_Job( $this, $id, $data, $opts ); } /** * Dispatch the action to execute the scheduled job. * * @param ITSEC_Job $job */ protected final function call_action( ITSEC_Job $job ) { /** * Fires when a scheduled job should be executed. * * @param ITSEC_Job $job */ do_action( "itsec_scheduled_{$job->get_id()}", $job ); } /** * Generate a unique hash of the data. * * @param array $data * * @return string */ protected function hash_data( $data ) { return md5( serialize( $data ) ); } /** * Get the interval for the schedule. * * @param string $schedule * * @return int */ final public function get_schedule_interval( $schedule ) { switch ( $schedule ) { case self::S_HOURLY: return HOUR_IN_SECONDS; case self::S_FOUR_DAILY: return DAY_IN_SECONDS / 4; case self::S_TWICE_DAILY: return DAY_IN_SECONDS / 2; case self::S_DAILY: return DAY_IN_SECONDS; case self::S_WEEKLY: return WEEK_IN_SECONDS; case self::S_MONTHLY: return MONTH_IN_SECONDS; default: return isset( $this->custom_schedules[ $schedule ] ) ? $this->custom_schedules[ $schedule ] : false; } } /** * Run code when the plugin is uninstalled. */ public function uninstall() { } }

website was working fine just last week. now i can’t even login to dashboard. i tried disabling all the plugin. as a matter of fact all the plugins are disabled. but still not working.

please help! thanks in advance.