Błąd
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Notice: Trying to access array offset on value of type null in /var/www/html/yii/framework/views/pl/error.php on line 22

Fatal error: Uncaught Error: Class 'CHtml' not found in /var/www/html/yii/framework/views/pl/error.php:23 Stack trace: #0 {main} thrown in /var/www/html/yii/framework/views/pl/error.php on line 23