Fatal error: Uncaught Error: Interface "Zend\Stdlib\JsonSerializable" not found in /srv/users/serverpilot/apps/prod/public/vendor/firework/firework/Ui/Component/MassAction/Status/Options.php:7 Stack trace: #0 /srv/users/serverpilot/apps/prod/public/vendor/composer/ClassLoader.php(576): include() #1 /srv/users/serverpilot/apps/prod/public/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/srv/users/serv...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Firework\\Firewo...') #3 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/ObjectManager/Relations/Runtime.php(38): class_exists('Firework\\Firewo...') #4 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/Interception/Config/Config.php(157): Magento\Framework\ObjectManager\Relations\Runtime->has('Firework\\Firewo...') #5 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/Interception/Config/Config.php(180): Magento\Framework\Interception\Config\Config->_inheritInterception('Firework\\Firewo...') #6 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/Interception/Config/Config.php(213): Magento\Framework\Interception\Config\Config->hasPlugins('Firework\\Firewo...') #7 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/Interception/Config/Config.php(190): Magento\Framework\Interception\Config\Config->generateIntercepted(Array) #8 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/Interception/Config/Config.php(122): Magento\Framework\Interception\Config\Config->initializeUncompiled(Array) #9 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Interception\Config\Config->__construct(Object(Magento\Framework\ObjectManager\Config\Reader\Dom\Proxy), Object(Magento\Framework\Config\Scope), Object(Magento\Framework\App\Cache\Type\Config), Object(Magento\Framework\ObjectManager\Relations\Runtime), Object(Magento\Framework\Interception\ObjectManager\Config\Developer), Object(Magento\Framework\ObjectManager\Definition\Runtime), 'interception', NULL, NULL) #10 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #11 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #12 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/App/ObjectManager/Environment/Developer.php(84): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #13 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Developer->configureObjectManager(Object(Magento\Framework\Interception\ObjectManager\Config\Developer), Array) #14 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create(Array) #15 /srv/users/serverpilot/apps/prod/public/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct(Object(Magento\Framework\App\ObjectManagerFactory), '/srv/users/serv...', Array) #16 /srv/users/serverpilot/apps/prod/public/pub/index.php(27): Magento\Framework\App\Bootstrap::create('/srv/users/serv...', Array) #17 {main} thrown in /srv/users/serverpilot/apps/prod/public/vendor/firework/firework/Ui/Component/MassAction/Status/Options.php on line 7