This (content-) page could not be found 📋

Cake\Datasource\Exception\RecordNotFoundException
ROOT/plugins/Cms/src/Controller/ContentPagesController.php at line 60 (edit)
        if($loadingContent !== false) {
            return $loadingContent;
        }
        throw new RecordNotFoundException('This (content-) page could not be found');
    }
    protected function handleRedirect($url)
    {

If you want to customize this error message, create templates/Error/error500.ctp