Exception: Warning: include(/var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/App/Response/HeaderManager.php): failed to open stream: Too many open files in /var/www/vhosts/posdubai.ae/httpdocs/vendor/composer/ClassLoader.php on line 444 in /var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 /var/www/vhosts/posdubai.ae/httpdocs/vendor/composer/ClassLoader.php(444): Magento\Framework\App\ErrorHandler->handler(2, 'include(/var/ww...', '/var/www/vhosts...', 444, Array)
#1 /var/www/vhosts/posdubai.ae/httpdocs/vendor/composer/ClassLoader.php(444): include()
#2 /var/www/vhosts/posdubai.ae/httpdocs/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/var/www/vhosts...')
#3 [internal function]: Composer\Autoload\ClassLoader->loadClass('Magento\\Framewo...')
#4 [internal function]: spl_autoload_call('Magento\\Framewo...')
#5 /var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/Interception/PluginList/PluginList.php(163): class_exists('Magento\\Framewo...')
#6 /var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/Interception/PluginList/PluginList.php(250): Magento\Framework\Interception\PluginList\PluginList->_inheritPlugins('Magento\\Framewo...')
#7 /var/www/vhosts/posdubai.ae/httpdocs/var/generation/Magento/Framework/App/Response/Http/Interceptor.php(22): Magento\Framework\Interception\PluginList\PluginList->getNext('Magento\\Framewo...', 'sendResponse')
#8 /var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/App/Http.php(185): Magento\Framework\App\Response\Http\Interceptor->sendResponse()
#9 /var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/App/Http.php(156): Magento\Framework\App\Http->handleDeveloperMode(Object(Magento\Framework\App\Bootstrap), Object(Exception))
#10 /var/www/vhosts/posdubai.ae/httpdocs/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->catchException(Object(Magento\Framework\App\Bootstrap), Object(Exception))
#11 /var/www/vhosts/posdubai.ae/httpdocs/index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http))
#12 {main}