isException: OOM command not allowed when used memory > "maxmemory". In /home/ddv/public_html/vendor/colinmollenhour/credis/Client.php:1197Stack trace:#0 /home/ddv/public_html/vendor/colinmollenhour/credis/Client.php(637): Credis_Client->__call("select", Array)#1 /home/ddv/public_html/vendor/colinmollenhour/php-redis-session-abstract/src/Cm/RedisSession/Handler.php(433): Credis_Client->select("1")#2 /home/ddv/public_html/vendor/magento/framework/Session/SaveHandler/Redis.php(97): CmRedisSessionHandler->read("sess_jg6b57j0g4...")#3 /home/ddv/public_html/vendor/magento/framework/Session/SaveHandler.php(138): MagentoFrameworkSessionSaveHandlerRedis->read("jg6b57j0g42nhs5...")#4 /home/ddv/public_html/vendor/magento/framework/Session/SaveHandler.php(83): MagentoFrameworkSessionSaveHandler->callSafely("read", "jg6b57j0g42nhs5...")#5 : MagentoFrameworkSessionSaveHandler->read("jg6b57j0g42nhs5...")#6 /home/ddv/public_html/vendor/magento/framework/Session/SessionManager.php(204): session_start()#7 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(58): MagentoFrameworkSessionSessionManager->start()#8 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(138): MagentoFrameworkSessionGenericInterceptor->___callParent("start", Array)#9 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(153): MagentoFrameworkSessionGenericInterceptor->MagentoFrameworkInterceptionclosure()#10 /home/ddv/public_html/generated/code/Magento/Framework/Session/Generic/Interceptor.php(26): MagentoFrameworkSessionGenericInterceptor->___callPlugins("start", Array, Array)#11 /home/ddv/public_html/vendor/magento/framework/Session/SessionManager.php(141): MagentoFrameworkSessionGenericInterceptor->start()#12 /home/ddv/public_html/generated/code/Magento/Framework/Session/Generic/Interceptor.php(14): MagentoFrameworkSessionSessionManager->__construct(Object(MagentoFrameworkAppRequestHttp), Object(MagentoFrameworkSessionSidResolverProxy), Object(MagentoFrameworkSessionConfig), Object(MagentoFrameworkSessionSaveHandler), Object(MagentoFrameworkSessionValidator), Object(MagentoFrameworkSessionStorage), Object(MagentoFrameworkStdlibCookiePhpCookieManager), Object(MagentoFrameworkStdlibCookieCookieMetadataFactory), Object(MagentoFrameworkAppStateInterceptor), NULL)#13 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): MagentoFrameworkSessionGenericInterceptor->__construct(Object(MagentoFrameworkAppRequestHttp), Object(MagentoFrameworkSessionSidResolverProxy), Object(MagentoFrameworkSessionConfig), Object(MagentoFrameworkSessionSaveHandler), Object(MagentoFrameworkSessionValidator), Object(MagentoFrameworkSessionStorage), Object(MagentoFrameworkStdlibCookiePhpCookieManager), Object(MagentoFrameworkStdlibCookieCookieMetadataFactory), Object(MagentoFrameworkAppStateInterceptor), NULL)#14 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): MagentoFrameworkObjectManagerFactoryAbstractFactory->createObject("Magento\Framewo...", Array)#15 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): MagentoFrameworkObjectManagerFactoryCompiled->create("Magento\Framewo...")#16 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): MagentoFrameworkObjectManagerFactoryCompiled->get("Magento\Framewo...")#17 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): MagentoFrameworkObjectManagerFactoryCompiled->create("Magento\Custome...")#18 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): MagentoFrameworkObjectManagerFactoryCompiled->get("Magento\Custome...")#19 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): MagentoFrameworkObjectManagerFactoryCompiled->create("Magento\Checkou...")#20 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): MagentoFrameworkObjectManagerFactoryCompiled->get("Magento\Checkou...")#21 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): MagentoFrameworkObjectManagerFactoryCompiled->create("Magento\Persist...")#22 /home/ddv/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): MagentoFrameworkObjectManagerFactoryCompiled->get("Magento\Persist...")#23 /home/ddv/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): MagentoFrameworkObjectManagerFactoryCompiled->create("Magento\Persist...")#24 /home/ddv/public_html/vendor/magento/framework/Interception/PluginList/PluginList.php(250): MagentoFrameworkObjectManagerObjectManager->get("Magento\Persist...")#25 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(119): MagentoFrameworkInterceptionPluginListPluginList->getPlugin("Magento\Framewo...", "persistent_page...")#26 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(153): MagentoFrameworkAppHttpContextInterceptor->MagentoFrameworkInterceptionclosure()#27 /home/ddv/public_html/generated/code/Magento/Framework/App/Http/Context/Interceptor.php(26): MagentoFrameworkAppHttpContextInterceptor->___callPlugins("getVaryString", Array, Array)#28 /home/ddv/public_html/vendor/magento/framework/App/Response/Http.php(108): MagentoFrameworkAppHttpContextInterceptor->getVaryString()#29 /home/ddv/public_html/vendor/magento/module-page-cache/Model/App/Response/HttpPlugin.php(25): MagentoFrameworkAppResponseHttp->sendVary()#30 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(121): MagentoPageCacheModelAppResponseHttpPlugin->beforeSendResponse(Object(MagentoFrameworkAppResponseHttpInterceptor))#31 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(153): MagentoFrameworkAppResponseHttpInterceptor->MagentoFrameworkInterceptionclosure()#32 /home/ddv/public_html/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(26): MagentoFrameworkAppResponseHttpInterceptor->___callPlugins("sendResponse", Array, Array)#33 /home/ddv/public_html/vendor/magento/framework/App/ExceptionHandler.php(103): MagentoFrameworkAppResponseHttpInterceptor->sendResponse()#34 /home/ddv/public_html/vendor/magento/framework/App/ExceptionHandler.php(70): MagentoFrameworkAppExceptionHandler->handleDeveloperMode(Object(MagentoFrameworkAppBootstrap), Object(CredisException), Object(MagentoFrameworkAppResponseHttpInterceptor))#35 /home/ddv/public_html/vendor/magento/framework/App/Http.php(156): MagentoFrameworkAppExceptionHandler->handle(Object(MagentoFrameworkAppBootstrap), Object(CredisException), Object(MagentoFrameworkAppResponseHttpInterceptor), Object(MagentoFrameworkAppRequestHttp))#36 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(58): MagentoFrameworkAppHttp->catchException(Object(MagentoFrameworkAppBootstrap), Object(CredisException))#37 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(138): MagentoFrameworkAppHttpInterceptor->___callParent("catchException", Array)#38 /home/ddv/public_html/vendor/magento/framework/Interception/Interceptor.php(153): MagentoFrameworkAppHttpInterceptor->MagentoFrameworkInterceptionclosure(Object(MagentoFrameworkAppBootstrap), Object(CredisException))#39 /home/ddv/public_html/generated/code/Magento/Framework/App/Http/Interceptor.php(26): MagentoFrameworkAppHttpInterceptor->___callPlugins("catchException", Array, Array)#40 /home/ddv/public_html/vendor/magento/framework/App/Bootstrap.php(267): MagentoFrameworkAppHttpInterceptor->catchException(Object(MagentoFrameworkAppBootstrap), Object(CredisException))#41 /home/ddv/public_html/index.php(60): MagentoFrameworkAppBootstrap->run(Object(MagentoFrameworkAppHttpInterceptor))#42 {main