Fatal error: Uncaught Error: Class "yii\base\Behavior" not found in /home/telefonai/public_html/test.telefonai.eu/templates/__MACOSX/vendor/nystudio107/craft-seomatic/src/integrations/campaign/behaviors/CampaignBehavior.php:26 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/templates/__MACOSX/vendor/nystudio107/craft-seomatic/src/integrations/campaign/behaviors/CampaignBehavior.php on line 26