An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/BaseYii.php on line 293. in /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/web/Response.php:368
Stack trace:
#0 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/web/Response.php(341): yii\web\Response->sendHeaders()
#1 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/base/ErrorHandler.php(152): yii\web\ErrorHandler->renderException()
#3 [internal function]: yii\base\ErrorHandler->handleException()
#4 {main}
Previous exception:
yii\base\ErrorException: yii\db\ActiveQuery::viaTable(): Implicitly marking parameter $callable as nullable is deprecated, the explicit nullable type must be used instead in /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/db/ActiveQuery.php:787
Stack trace:
#0 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/BaseYii.php(293): yii\base\ErrorHandler->handleError()
#1 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/BaseYii.php(293): include()
#2 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/db/ActiveRecord.php(414): yii\BaseYii::autoload()
#3 /homepages/43/d589053440/htdocs/autozug/controllers/SiteController.php(80): yii\db\ActiveRecord::find()
#4 [internal function]: app\controllers\SiteController->actionIndex()
#5 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#6 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams()
#7 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction()
#8 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction()
#9 /homepages/43/d589053440/htdocs/autozug/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest()
#10 /homepages/43/d589053440/htdocs/autozug/web/index.php(15): yii\base\Application->run()
#11 {main}