Warning: file_put_contents(/var/www/backend/var/cache//mage-tags/mage---e1f_CONFIG): failed to open stream: Permission denied in /var/www/backend/vendor/colinmollenhour/cache-backend-file/File.php on line 691

Warning: file_put_contents(/var/www/backend/var/cache//mage-tags/mage---e1f_MAGE): failed to open stream: Permission denied in /var/www/backend/vendor/colinmollenhour/cache-backend-file/File.php on line 691
ReflectionException: Class Magento\Config\Model\ResourceModel\Config\Data\Collection\Proxy does not exist in /var/www/backend/vendor/magento/framework/Code/Reader/ClassReader.php:24 Stack trace: #0 /var/www/backend/vendor/magento/framework/Code/Reader/ClassReader.php(24): ReflectionClass->__construct() #1 /var/www/backend/vendor/magento/framework/ObjectManager/Definition/Runtime.php(54): Magento\Framework\Code\Reader\ClassReader->getConstructor() #2 /var/www/backend/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(48): Magento\Framework\ObjectManager\Definition\Runtime->getParameters() #3 /var/www/backend/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #4 /var/www/backend/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get() #5 /var/www/backend/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument() #6 /var/www/backend/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument() #7 /var/www/backend/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime() #8 /var/www/backend/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments() #9 /var/www/backend/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #10 /var/www/backend/vendor/magento/framework/Data/Collection/EntityFactory.php(37): Magento\Framework\ObjectManager\ObjectManager->create() #11 /var/www/backend/vendor/magento/framework/Data/Collection.php(625): Magento\Framework\Data\Collection\EntityFactory->create() #12 /var/www/backend/generated/code/Magento/Config/Model/ResourceModel/Config/Data/Collection/Interceptor.php(608): Magento\Framework\Data\Collection->getNewEmptyItem() #13 /var/www/backend/vendor/magento/framework/Data/Collection/AbstractDb.php(584): Magento\Config\Model\ResourceModel\Config\Data\Collection\Interceptor->getNewEmptyItem() #14 /var/www/backend/generated/code/Magento/Config/Model/ResourceModel/Config/Data/Collection/Interceptor.php(329): Magento\Framework\Data\Collection\AbstractDb->loadWithFilter() #15 /var/www/backend/vendor/magento/framework/Data/Collection/AbstractDb.php(565): Magento\Config\Model\ResourceModel\Config\Data\Collection\Interceptor->loadWithFilter() #16 /var/www/backend/generated/code/Magento/Config/Model/ResourceModel/Config/Data/Collection/Interceptor.php(320): Magento\Framework\Data\Collection\AbstractDb->load() #17 /var/www/backend/vendor/magento/module-config/App/Config/Source/RuntimeConfigSource.php(89): Magento\Config\Model\ResourceModel\Config\Data\Collection\Interceptor->load() #18 /var/www/backend/vendor/magento/module-config/App/Config/Source/RuntimeConfigSource.php(72): Magento\Config\App\Config\Source\RuntimeConfigSource->loadConfig() #19 /var/www/backend/vendor/magento/framework/App/Config/ConfigSourceAggregated.php(42): Magento\Config\App\Config\Source\RuntimeConfigSource->get() #20 /var/www/backend/vendor/magento/module-config/App/Config/Type/System/Reader.php(60): Magento\Framework\App\Config\ConfigSourceAggregated->get() #21 /var/www/backend/generated/code/Magento/Config/App/Config/Type/System/Reader/Proxy.php(95): Magento\Config\App\Config\Type\System\Reader->read() #22 /var/www/backend/vendor/magento/module-config/App/Config/Type/System.php(395): Magento\Config\App\Config\Type\System\Reader\Proxy->read() #23 /var/www/backend/vendor/magento/framework/Cache/LockGuardedCacheLoader.php(136): Magento\Config\App\Config\Type\System->readData() #24 /var/www/backend/vendor/magento/module-config/App/Config/Type/System.php(281): Magento\Framework\Cache\LockGuardedCacheLoader->lockedLoadData() #25 /var/www/backend/vendor/magento/module-config/App/Config/Type/System.php(207): Magento\Config\App\Config\Type\System->loadDefaultScopeData() #26 /var/www/backend/vendor/magento/module-config/App/Config/Type/System.php(181): Magento\Config\App\Config\Type\System->getWithParts() #27 /var/www/backend/vendor/magento/framework/App/Config.php(132): Magento\Config\App\Config\Type\System->get() #28 /var/www/backend/generated/code/Magento/Framework/App/Config/Interceptor.php(50): Magento\Framework\App\Config->get() #29 /var/www/backend/vendor/magento/framework/App/Config.php(80): Magento\Framework\App\Config\Interceptor->get() #30 /var/www/backend/generated/code/Magento/Framework/App/Config/Interceptor.php(23): Magento\Framework\App\Config->getValue() #31 /var/www/backend/vendor/magento/framework/App/Config.php(93): Magento\Framework\App\Config\Interceptor->getValue() #32 /var/www/backend/generated/code/Magento/Framework/App/Config/Interceptor.php(32): Magento\Framework\App\Config->isSetFlag() #33 /var/www/backend/vendor/magento/module-new-relic-reporting/Model/Config.php(94): Magento\Framework\App\Config\Interceptor->isSetFlag() #34 /var/www/backend/vendor/magento/module-new-relic-reporting/Plugin/HttpPlugin.php(49): Magento\NewRelicReporting\Model\Config->isNewRelicEnabled() #35 /var/www/backend/vendor/magento/framework/Interception/Interceptor.php(121): Magento\NewRelicReporting\Plugin\HttpPlugin->beforeCatchException() #36 /var/www/backend/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}() #37 /var/www/backend/generated/code/Magento/Framework/App/Http/Interceptor.php(32): Magento\Framework\App\Http\Interceptor->___callPlugins() #38 /var/www/backend/vendor/magento/framework/App/Bootstrap.php(269): Magento\Framework\App\Http\Interceptor->catchException() #39 /var/www/backend/pub/index.php(28): Magento\Framework\App\Bootstrap->run() #40 {main}