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Fatal error: Uncaught Error: Class "yii\helpers\Html" not found in /home/apolo/public_html/sgdpr/vendor/2-yiisoft/yii2-gii/src/generators/extension/form.php:9
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/sgdpr/vendor/2-yiisoft/yii2-gii/src/generators/extension/form.php on line 9