Fatal error: Uncaught Error: Class 'yii\base\Behavior' not found in /home/mpolsk5/public_html/lakemissouri.com/vendor/craftcms/cms/src/behaviors/FieldLayoutBehavior.php:23
Stack trace:
#0 {main}
thrown in /home/mpolsk5/public_html/lakemissouri.com/vendor/craftcms/cms/src/behaviors/FieldLayoutBehavior.php on line 23