Deprecated: yii\base\Component::trigger(): Implicitly marking parameter $event as nullable is deprecated, the explicit nullable type must be used instead in /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/Component.php on line 601
<pre>An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/Component.php on line 601. in /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/web/ErrorHandler.php(135): yii\web\Response-&gt;send()
#2 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler-&gt;renderException(Object(yii\base\ErrorException))
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException(Object(yii\base\ErrorException))
#4 {main}
Previous exception:
yii\base\ErrorException: Method ReflectionParameter::getClass() is deprecated since 8.0, use ReflectionParameter::getType() instead in /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/di/Container.php:460
Stack trace:
#0 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/di/Container.php(460): yii\base\ErrorHandler-&gt;handleError(8192, &#039;Method Reflecti...&#039;, &#039;/home/o/omprogr...&#039;, 460)
#1 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/di/Container.php(374): yii\di\Container-&gt;getDependencies(&#039;app\\components\\...&#039;)
#2 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/di/Container.php(159): yii\di\Container-&gt;build(&#039;app\\components\\...&#039;, Array, Array)
#3 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/BaseYii.php(351): yii\di\Container-&gt;get(&#039;app\\components\\...&#039;, Array, Array)
#4 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/Module.php(427): yii\BaseYii::createObject(Array, Array)
#5 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/Application.php(315): yii\base\Module-&gt;getModule(&#039;debug&#039;)
#6 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/web/Application.php(69): yii\base\Application-&gt;bootstrap()
#7 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/Application.php(273): yii\web\Application-&gt;bootstrap()
#8 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\base\Application-&gt;init()
#9 /home/o/omprogress/omprogress.ru/public_html/vendor/yiisoft/yii2/base/Application.php(206): yii\base\BaseObject-&gt;__construct(Array)
#10 /home/o/omprogress/omprogress.ru/public_html/web/index.php(21): yii\base\Application-&gt;__construct(Array)
#11 {main}</pre>