An Error occurred while handling another error:
Error: Class "yii\web\HeaderCollection" not found in /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Request.php:342
Stack trace:
#0 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/Component.php(139): yii\web\Request->getHeaders()
#1 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Request.php(717): yii\base\Component->__get('headers')
#2 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/Request.php(176): yii\web\Request->getHostInfo()
#3 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/BaseObject.php(109): craft\web\Request->init()
#4 [internal function]: yii\base\BaseObject->__construct(Array)
#5 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(384): ReflectionClass->newInstanceArgs(Array)
#6 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(156): yii\di\Container->build('craft\\web\\Reque...', Array, Array)
#7 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/BaseYii.php(349): yii\di\Container->get('craft\\web\\Reque...', Array, Array)
#8 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/config/app.web.php(13): yii\BaseYii::createObject(Array)
#9 [internal function]: {closure}()
#10 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(508): call_user_func_array(Object(Closure), Array)
#11 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/BaseYii.php(351): yii\di\Container->invoke(Object(Closure), Array)
#12 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Object(Closure))
#13 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/Module.php(742): yii\di\ServiceLocator->get('request', true)
#14 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/Application.php(350): yii\base\Module->get('request', true)
#15 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Application.php(160): craft\web\Application->get('request')
#16 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/helpers/App.php(667): yii\web\Application->getRequest()
#17 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/config/app.web.php(18): craft\helpers\App::webResponseConfig()
#18 [internal function]: {closure}()
#19 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(508): call_user_func_array(Object(Closure), Array)
#20 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/BaseYii.php(351): yii\di\Container->invoke(Object(Closure), Array)
#21 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Object(Closure))
#22 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/Module.php(742): yii\di\ServiceLocator->get('response', true)
#23 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/Application.php(350): yii\base\Module->get('response', true)
#24 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Application.php(169): craft\web\Application->get('response')
#25 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/ErrorHandler.php(92): yii\web\Application->getResponse()
#26 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/ErrorHandler.php(137): yii\web\ErrorHandler->renderException(Object(Error))
#27 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/ErrorHandler.php(111): craft\web\ErrorHandler->renderException(Object(Error))
#28 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/ErrorHandler.php(67): yii\base\ErrorHandler->handleException(Object(Error))
#29 [internal function]: craft\web\ErrorHandler->handleException(Object(Error))
#30 {main}
Previous exception:
Error: Class "yii\web\HeaderCollection" not found in /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Request.php:342
Stack trace:
#0 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/Component.php(139): yii\web\Request->getHeaders()
#1 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Request.php(717): yii\base\Component->__get('headers')
#2 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/Request.php(176): yii\web\Request->getHostInfo()
#3 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/BaseObject.php(109): craft\web\Request->init()
#4 [internal function]: yii\base\BaseObject->__construct(Array)
#5 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(384): ReflectionClass->newInstanceArgs(Array)
#6 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(156): yii\di\Container->build('craft\\web\\Reque...', Array, Array)
#7 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/BaseYii.php(349): yii\di\Container->get('craft\\web\\Reque...', Array, Array)
#8 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/config/app.web.php(13): yii\BaseYii::createObject(Array)
#9 [internal function]: {closure}()
#10 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(508): call_user_func_array(Object(Closure), Array)
#11 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/BaseYii.php(351): yii\di\Container->invoke(Object(Closure), Array)
#12 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Object(Closure))
#13 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/Module.php(742): yii\di\ServiceLocator->get('request', true)
#14 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/Application.php(350): yii\base\Module->get('request', true)
#15 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Application.php(160): craft\web\Application->get('request')
#16 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/helpers/App.php(667): yii\web\Application->getRequest()
#17 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/config/app.web.php(18): craft\helpers\App::webResponseConfig()
#18 [internal function]: {closure}()
#19 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/Container.php(508): call_user_func_array(Object(Closure), Array)
#20 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/BaseYii.php(351): yii\di\Container->invoke(Object(Closure), Array)
#21 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Object(Closure))
#22 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/Module.php(742): yii\di\ServiceLocator->get('response', true)
#23 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/Application.php(350): yii\base\Module->get('response', true)
#24 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/Application.php(169): craft\web\Application->get('response')
#25 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/web/ErrorHandler.php(92): yii\web\Application->getResponse()
#26 /home/danieley/public_html/mhs/vendor/craftcms/cms/src/web/ErrorHandler.php(137): yii\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#27 /home/danieley/public_html/mhs/vendor/yiisoft/yii2/base/ErrorHandler.php(262): craft\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#28 [internal function]: yii\base\ErrorHandler->handleFatalError()
#29 {main}