InvalidArgumentException: Unable to unserialize value. in /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Serialize/Serializer/Json.php:39 Stack trace: #0 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Config/Data/Scoped.php(116): Magento\Framework\Serialize\Serializer\Json->unserialize('{"theme_delete_...') #1 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Config/Data/Scoped.php(96): Magento\Framework\Config\Data\Scoped->_loadScopedData() #2 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Event/Config.php(37): Magento\Framework\Config\Data\Scoped->get('core_collection...', Array) #3 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Event/Manager.php(58): Magento\Framework\Event\Config->getObservers('core_collection...') #4 /var/www/vhosts/john-andy.com/httpdocs/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch('core_collection...', Array) #5 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Model/ResourceModel/Db/Collection/AbstractCollection.php(531): Magento\Framework\Event\Manager\Proxy->dispatch('core_collection...', Array) #6 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Data/Collection/AbstractDb.php(571): Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection->_beforeLoad() #7 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Data/Collection/AbstractDb.php(559): Magento\Framework\Data\Collection\AbstractDb->loadWithFilter(false, false) #8 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Data/Collection.php(831): Magento\Framework\Data\Collection\AbstractDb->load() #9 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/module-config/App/Config/Source/RuntimeConfigSource.php(83): Magento\Framework\Data\Collection->getIterator() #10 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/module-config/App/Config/Source/RuntimeConfigSource.php(63): Magento\Config\App\Config\Source\RuntimeConfigSource->loadConfig() #11 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/App/Config/ConfigSourceAggregated.php(40): Magento\Config\App\Config\Source\RuntimeConfigSource->get('') #12 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/module-config/App/Config/Type/System/Reader.php(60): Magento\Framework\App\Config\ConfigSourceAggregated->get() #13 /var/www/vhosts/john-andy.com/httpdocs/generated/code/Magento/Config/App/Config/Type/System/Reader/Proxy.php(95): Magento\Config\App\Config\Type\System\Reader->read() #14 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/module-config/App/Config/Type/System.php(292): Magento\Config\App\Config\Type\System\Reader\Proxy->read() #15 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/module-config/App/Config/Type/System.php(219): Magento\Config\App\Config\Type\System->readData() #16 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/module-config/App/Config/Type/System.php(158): Magento\Config\App\Config\Type\System->loadScopeData('stores', 'gr') #17 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/App/Config.php(131): Magento\Config\App\Config\Type\System->get('stores/gr/web/c...') #18 /var/www/vhosts/john-andy.com/httpdocs/generated/code/Magento/Framework/App/Config/Interceptor.php(63): Magento\Framework\App\Config->get('system', 'stores/gr/web/c...', NULL) #19 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/App/Config.php(80): Magento\Framework\App\Config\Interceptor->get('system', 'stores/gr/web/c...') #20 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Config->getValue('web/cookie/cook...', 'stores') #21 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\Config\Interceptor->___callParent('getValue', Array) #22 [internal function]: Magento\Framework\App\Config\Interceptor->Magento\Framework\Interception\{closure}('web/cookie/cook...', 'store') #23 /var/www/vhosts/john-andy.com/httpdocs/app/code/Ess/M2ePro/Plugin/AbstractPlugin.php(36): call_user_func_array(Object(Closure), Array) #24 /var/www/vhosts/john-andy.com/httpdocs/app/code/Ess/M2ePro/Plugin/Order/Magento/Framework/App/Config.php(45): Ess\M2ePro\Plugin\AbstractPlugin->execute('getValue', Object(Magento\Framework\App\Config\Interceptor), Object(Closure), Array) #25 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Interception/Interceptor.php(135): Ess\M2ePro\Plugin\Order\Magento\Framework\App\Config->aroundGetValue(Object(Magento\Framework\App\Config\Interceptor), Object(Closure), 'web/cookie/cook...', 'store') #26 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Config\Interceptor->Magento\Framework\Interception\{closure}('web/cookie/cook...', 'store') #27 /var/www/vhosts/john-andy.com/httpdocs/generated/code/Magento/Framework/App/Config/Interceptor.php(26): Magento\Framework\App\Config\Interceptor->___callPlugins('getValue', Array, NULL) #28 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/Session/Config.php(156): Magento\Framework\App\Config\Interceptor->getValue('web/cookie/cook...', 'store') #29 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(111): Magento\Framework\Session\Config->__construct(Object(Magento\Framework\ValidatorFactory), Object(Magento\Framework\App\Config\Interceptor), Object(Magento\Framework\Stdlib\StringUtils), Object(Magento\Framework\App\Request\Http), Object(Magento\Framework\Filesystem), Object(Magento\Framework\App\DeploymentConfig), 'store', 'web/cookie/cook...') #30 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #31 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #32 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/App/Response/Http.php(81): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #33 /var/www/vhosts/john-andy.com/httpdocs/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(14): Magento\Framework\App\Response\Http->__construct(Object(Magento\Framework\App\Request\Http), Object(Magento\Framework\Stdlib\Cookie\PhpCookieManager), Object(Magento\Framework\Stdlib\Cookie\CookieMetadataFactory), Object(Magento\Framework\App\Http\Context), Object(Magento\Framework\Stdlib\DateTime), NULL) #34 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(111): Magento\Framework\App\Response\Http\Interceptor->__construct(Object(Magento\Framework\App\Request\Http), Object(Magento\Framework\Stdlib\Cookie\PhpCookieManager), Object(Magento\Framework\Stdlib\Cookie\CookieMetadataFactory), Object(Magento\Framework\App\Http\Context), Object(Magento\Framework\Stdlib\DateTime), NULL) #35 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #36 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #37 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(144): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #38 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(230): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Framewo...', NULL, 'response', 'Magento\\Framewo...') #39 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\Framewo...', Array, Array) #40 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Framewo...', Array, Array) #41 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array) #42 /var/www/vhosts/john-andy.com/httpdocs/vendor/magento/framework/App/Bootstrap.php(232): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #43 /var/www/vhosts/john-andy.com/httpdocs/index.php(38): Magento\Framework\App\Bootstrap->createApplication('Magento\\Framewo...') #44 {main}