An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /app/config/params.docker.php on line 26. in /app/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /app/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response->sendHeaders()
#1 /app/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /app/vendor/yiisoft/yii2/base/ErrorHandler.php(152): yii\web\ErrorHandler->renderException(Object(yii\base\InvalidConfigException))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\base\InvalidConfigException))
#4 {main}
Previous exception:
yii\base\InvalidConfigException: The "to" option must be set for EmailTarget::message. in /app/vendor/yiisoft/yii2/log/EmailTarget.php:68
Stack trace:
#0 /app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\log\EmailTarget->init()
#1 [internal function]: yii\base\BaseObject->__construct(Array)
#2 /app/vendor/yiisoft/yii2/di/Container.php(419): ReflectionClass->newInstanceArgs(Array)
#3 /app/vendor/yiisoft/yii2/di/Container.php(170): yii\di\Container->build('yii\\log\\EmailTa...', Array, Array)
#4 /app/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('yii\\log\\EmailTa...', Array, Array)
#5 /app/vendor/yiisoft/yii2/log/Dispatcher.php(102): yii\BaseYii::createObject(Array)
#6 /app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\log\Dispatcher->init()
#7 /app/vendor/yiisoft/yii2/log/Dispatcher.php(90): yii\base\BaseObject->__construct(Array)
#8 [internal function]: yii\log\Dispatcher->__construct(Array)
#9 /app/vendor/yiisoft/yii2/di/Container.php(419): ReflectionClass->newInstanceArgs(Array)
#10 /app/vendor/yiisoft/yii2/di/Container.php(170): yii\di\Container->build('yii\\log\\Dispatc...', Array, Array)
#11 /app/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('yii\\log\\Dispatc...', Array, Array)
#12 /app/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Array)
#13 /app/vendor/yiisoft/yii2/base/Module.php(766): yii\di\ServiceLocator->get('log', true)
#14 /app/vendor/yiisoft/yii2/base/Application.php(311): yii\base\Module->get('log')
#15 /app/vendor/yiisoft/yii2/web/Application.php(69): yii\base\Application->bootstrap()
#16 /app/vendor/yiisoft/yii2/base/Application.php(271): yii\web\Application->bootstrap()
#17 /app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\base\Application->init()
#18 /app/vendor/yiisoft/yii2/base/Application.php(204): yii\base\BaseObject->__construct(Array)
#19 /app/web/index.php(18): yii\base\Application->__construct(Array)
#20 {main}