- Config file was changed

common/modules/triggers/components/conditions/config/main.php

 <?php
 return [
     'check-email-to-opening' => [
-        'class' => 'common\modules\triggers\components\conditions\conditions\CheckEmailToOpening',
+        'class' => 'common\modules\triggers\components\conditions\conditions\CheckEmailToReading',
     ],
     'check-clicking-on-the-link' => [
         'class' => 'common\modules\triggers\components\conditions\conditions\CheckClickingOnTheLink',