Fatal error: Uncaught Error: Call to undefined function Monolog\Handler\openlog() in /www/wwwroot/magento247/vendor/monolog/monolog/src/Monolog/Handler/SyslogHandler.php:63
Stack trace:
#0 /www/wwwroot/magento247/vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.php(48): Monolog\Handler\SyslogHandler->write()
#1 /www/wwwroot/magento247/vendor/monolog/monolog/src/Monolog/Logger.php(399): Monolog\Handler\AbstractProcessingHandler->handle()
#2 /www/wwwroot/magento247/vendor/monolog/monolog/src/Monolog/Logger.php(663): Monolog\Logger->addRecord()
#3 /www/wwwroot/magento247/vendor/magento/framework/Logger/LoggerProxy.php(131): Monolog\Logger->critical()
#4 /www/wwwroot/magento247/vendor/magento/framework/Code/Generator.php(139): Magento\Framework\Logger\LoggerProxy->critical()
#5 /www/wwwroot/magento247/vendor/magento/framework/Code/Generator/Autoloader.php(53): Magento\Framework\Code\Generator->generateClass()
#6 [internal function]: Magento\Framework\Code\Generator\Autoloader->load()
#7 /www/wwwroot/magento247/vendor/magento/framework/Code/Reader/ClassReader.php(34): ReflectionClass->__construct()
#8 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Definition/Runtime.php(50): Magento\Framework\Code\Reader\ClassReader->getConstructor()
#9 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(48): Magento\Framework\ObjectManager\Definition\Runtime->getParameters()
#10 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#11 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#12 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#13 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#14 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#15 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#16 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#17 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#18 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#19 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#20 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#21 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#22 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#23 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#24 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#25 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#26 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#27 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#28 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#29 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#30 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#31 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#32 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#33 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#34 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#35 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#36 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#37 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#38 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#39 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#40 /www/wwwroot/magento247/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#41 /www/wwwroot/magento247/vendor/magento/framework/App/ObjectManager/Environment/Developer.php(70): Magento\Framework\ObjectManager\ObjectManager->get()
#42 /www/wwwroot/magento247/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Developer->configureObjectManager()
#43 /www/wwwroot/magento247/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create()
#44 /www/wwwroot/magento247/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct()
#45 /www/wwwroot/magento247/pub/index.php(62): Magento\Framework\App\Bootstrap::create()
#46 {main}
thrown in /www/wwwroot/magento247/vendor/monolog/monolog/src/Monolog/Handler/SyslogHandler.php on line 63