Fatal error: Uncaught Error: Call to a member function hook_maintenance_index() on null in /home/bookish/sites/storage/modification/catalog/controller/startup/startup.php:173 Stack trace: #0 /home/bookish/sites/storage/modification/system/engine/action.php(79): ControllerStartupStartup->index() #1 /home/bookish/sites/bookish.kiev.ua/system/engine/router.php(67): Action->execute(Object(Registry)) #2 /home/bookish/sites/bookish.kiev.ua/system/engine/router.php(46): Router->execute(Object(Action)) #3 /home/bookish/sites/bookish.kiev.ua/system/framework.php(166): Router->dispatch(Object(Action), Object(Action)) #4 /home/bookish/sites/bookish.kiev.ua/system/startup.php(107): require_once('/home/bookish/s...') #5 /home/bookish/sites/bookish.kiev.ua/index.php(37): start('catalog') #6 {main} thrown in /home/bookish/sites/storage/modification/catalog/controller/startup/startup.php on line 173