Fatal error: Uncaught Error: Class "s9e\TextFormatter\Configurator\TemplateCheck" not found in /opt/lampp/htdocs/forum/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecks/DisallowDynamicAttributeNames.php:15 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecks/DisallowDynamicAttributeNames.php on line 15