Payment Error, Please Connect With Developer<pre>An Error occurred while handling another error:
exception &#039;yii\web\HeadersAlreadySentException&#039; with message &#039;Headers already sent in /home/host1585457/sellpoint.moscow/htdocs/www/common/components/Controller.php on line 12.&#039; in /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/web/ErrorHandler.php(135): yii\web\Response-&gt;send()
#2 /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler-&gt;renderException(Object(yii\web\HeadersAlreadySentException))
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException(Object(yii\web\HeadersAlreadySentException))
#4 {main}
Previous exception:
exception &#039;yii\web\HeadersAlreadySentException&#039; with message &#039;Headers already sent in /home/host1585457/sellpoint.moscow/htdocs/www/common/components/Controller.php on line 12.&#039; in /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /home/host1585457/sellpoint.moscow/htdocs/www/vendor/yiisoft/yii2/base/Application.php(392): yii\web\Response-&gt;send()
#2 /home/host1585457/sellpoint.moscow/htdocs/www/backend/web/index.php(31): yii\base\Application-&gt;run()
#3 {main}</pre>