An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /var/www/sites/blog.internationalstudent.com/wp-includes/script-loader.php on line 2709. in /var/www/vendor/iefa/yiisoft/yii2/web/Response.php:373
Stack trace:
#0 /var/www/vendor/iefa/yiisoft/yii2/web/Response.php(346): yii\web\Response->sendHeaders()
#1 /var/www/vendor/iefa/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /var/www/vendor/iefa/yiisoft/yii2/base/ErrorHandler.php(135): yii\web\ErrorHandler->renderException(Object(yii\db\Exception))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\db\Exception))
#4 {main}
Previous exception:
PDOException: SQLSTATE[HY000] [1040] Too many connections in /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php:712
Stack trace:
#0 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(712): PDO->__construct('mysql:host=mpw-...', 'yIntlStudent', 'XoIYFIlaFrCw', Array)
#1 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(631): yii\db\Connection->createPdoInstance()
#2 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(1032): yii\db\Connection->open()
#3 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(1019): yii\db\Connection->getMasterPdo()
#4 /var/www/vendor/iefa/yiisoft/yii2/db/Schema.php(463): yii\db\Connection->getSlavePdo()
#5 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(911): yii\db\Schema->quoteValue('siteAdmin')
#6 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(211): yii\db\Connection->quoteValue('siteAdmin')
#7 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(1123): yii\db\Command->getRawSql()
#8 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(1144): yii\db\Command->logQuery('yii\\db\\Command:...')
#9 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(421): yii\db\Command->queryInternal('fetch', NULL)
#10 /var/www/vendor/iefa/yiisoft/yii2/db/Query.php(287): yii\db\Command->queryOne()
#11 /var/www/vendor/iefa/yiisoft/yii2/rbac/DbManager.php(246): yii\db\Query->one(Object(yii\db\Connection))
#12 /var/www/vendor/iefa/yiisoft/yii2/rbac/DbManager.php(203): yii\rbac\DbManager->getItem('siteAdmin')
#13 /var/www/vendor/iefa/yiisoft/yii2/rbac/DbManager.php(144): yii\rbac\DbManager->checkAccessRecursive(NULL, 'siteAdmin', Array, Array)
#14 /var/www/vendor/iefa/yiisoft/yii2/web/User.php(758): yii\rbac\DbManager->checkAccess(NULL, 'siteAdmin', Array)
#15 /var/www/vendor/iefa/envisage/scholarships/src/Controllers/ScholarshipModuleController.php(70): yii\web\User->can('siteAdmin')
#16 /var/www/sites/www.iefa.org/components/widgets/views/_header.php(55): Envisage\Scholarships\Controllers\ScholarshipModuleController::generateUserMenu()
#17 /var/www/vendor/iefa/yiisoft/yii2/base/View.php(348): require('/var/www/sites/...')
#18 /var/www/vendor/iefa/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile('/var/www/sites/...', '[<span class="s...')
#19 /var/www/vendor/iefa/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile('/var/www/sites/...', Array, Object(app\components\widgets\HeaderWidget))
#20 /var/www/vendor/iefa/yiisoft/yii2/base/Widget.php(237): yii\base\View->render('_header', Array, Object(app\components\widgets\HeaderWidget))
#21 /var/www/sites/www.iefa.org/components/widgets/HeaderWidget.php(36): yii\base\Widget->render('_header', Array)
#22 /var/www/vendor/iefa/yiisoft/yii2/base/Widget.php(141): app\components\widgets\HeaderWidget->run()
#23 /var/www/sites/blog.internationalstudent.com/wp-content/themes/iefa/header.php(108): yii\base\Widget::widget(Array)
#24 /var/www/sites/blog.internationalstudent.com/wp-includes/template.php(770): require_once('/var/www/sites/...')
#25 /var/www/sites/blog.internationalstudent.com/wp-includes/template.php(716): load_template('/var/www/sites/...', true, Array)
#26 /var/www/sites/blog.internationalstudent.com/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#27 /var/www/sites/blog.internationalstudent.com/wp-content/themes/iefa/single.php(1): get_header()
#28 /var/www/sites/blog.internationalstudent.com/wp-includes/template-loader.php(106): include('/var/www/sites/...')
#29 /var/www/sites/blog.internationalstudent.com/wp-blog-header.php(19): require_once('/var/www/sites/...')
#30 /var/www/sites/blog.internationalstudent.com/index.php(17): require('/var/www/sites/...')
#31 {main}

Next yii\db\Exception: SQLSTATE[HY000] [1040] Too many connections in /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php:642
Stack trace:
#0 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(1032): yii\db\Connection->open()
#1 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(1019): yii\db\Connection->getMasterPdo()
#2 /var/www/vendor/iefa/yiisoft/yii2/db/Schema.php(463): yii\db\Connection->getSlavePdo()
#3 /var/www/vendor/iefa/yiisoft/yii2/db/Connection.php(911): yii\db\Schema->quoteValue('siteAdmin')
#4 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(211): yii\db\Connection->quoteValue('siteAdmin')
#5 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(1123): yii\db\Command->getRawSql()
#6 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(1144): yii\db\Command->logQuery('yii\\db\\Command:...')
#7 /var/www/vendor/iefa/yiisoft/yii2/db/Command.php(421): yii\db\Command->queryInternal('fetch', NULL)
#8 /var/www/vendor/iefa/yiisoft/yii2/db/Query.php(287): yii\db\Command->queryOne()
#9 /var/www/vendor/iefa/yiisoft/yii2/rbac/DbManager.php(246): yii\db\Query->one(Object(yii\db\Connection))
#10 /var/www/vendor/iefa/yiisoft/yii2/rbac/DbManager.php(203): yii\rbac\DbManager->getItem('siteAdmin')
#11 /var/www/vendor/iefa/yiisoft/yii2/rbac/DbManager.php(144): yii\rbac\DbManager->checkAccessRecursive(NULL, 'siteAdmin', Array, Array)
#12 /var/www/vendor/iefa/yiisoft/yii2/web/User.php(758): yii\rbac\DbManager->checkAccess(NULL, 'siteAdmin', Array)
#13 /var/www/vendor/iefa/envisage/scholarships/src/Controllers/ScholarshipModuleController.php(70): yii\web\User->can('siteAdmin')
#14 /var/www/sites/www.iefa.org/components/widgets/views/_header.php(55): Envisage\Scholarships\Controllers\ScholarshipModuleController::generateUserMenu()
#15 /var/www/vendor/iefa/yiisoft/yii2/base/View.php(348): require('/var/www/sites/...')
#16 /var/www/vendor/iefa/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile('/var/www/sites/...', '[<span class="s...')
#17 /var/www/vendor/iefa/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile('/var/www/sites/...', Array, Object(app\components\widgets\HeaderWidget))
#18 /var/www/vendor/iefa/yiisoft/yii2/base/Widget.php(237): yii\base\View->render('_header', Array, Object(app\components\widgets\HeaderWidget))
#19 /var/www/sites/www.iefa.org/components/widgets/HeaderWidget.php(36): yii\base\Widget->render('_header', Array)
#20 /var/www/vendor/iefa/yiisoft/yii2/base/Widget.php(141): app\components\widgets\HeaderWidget->run()
#21 /var/www/sites/blog.internationalstudent.com/wp-content/themes/iefa/header.php(108): yii\base\Widget::widget(Array)
#22 /var/www/sites/blog.internationalstudent.com/wp-includes/template.php(770): require_once('/var/www/sites/...')
#23 /var/www/sites/blog.internationalstudent.com/wp-includes/template.php(716): load_template('/var/www/sites/...', true, Array)
#24 /var/www/sites/blog.internationalstudent.com/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#25 /var/www/sites/blog.internationalstudent.com/wp-content/themes/iefa/single.php(1): get_header()
#26 /var/www/sites/blog.internationalstudent.com/wp-includes/template-loader.php(106): include('/var/www/sites/...')
#27 /var/www/sites/blog.internationalstudent.com/wp-blog-header.php(19): require_once('/var/www/sites/...')
#28 /var/www/sites/blog.internationalstudent.com/index.php(17): require('/var/www/sites/...')
#29 {main}
Additional Information:
Array
(
    [0] => HY000
    [1] => 1040
    [2] => Too many connections
)