Fatal error: Uncaught TypeError: Argument 1 passed to Lindbaum\Validation\View\Page\Config\Renderer::canTypeBeFont() must be of the type string, null given, called in /usr/www/users/ws24de/magento2/www/app/code/Lindbaum/Validation/View/Page/Config/Renderer.php on line 38 and defined in /usr/www/users/ws24de/magento2/www/app/code/Lindbaum/Validation/View/Page/Config/Renderer.php:51 Stack trace: #0 /usr/www/users/ws24de/magento2/www/app/code/Lindbaum/Validation/View/Page/Config/Renderer.php(38): Lindbaum\Validation\View\Page\Config\Renderer->canTypeBeFont(NULL) #1 /usr/www/users/ws24de/magento2/www/vendor/magento/framework/View/Page/Config/Renderer.php(422): Lindbaum\Validation\View\Page\Config\Renderer->addDefaultAttributes(NULL, NULL) #2 /usr/www/users/ws24de/magento2/www/vendor/magento/framework/View/Page/Config/Renderer.php(297): Magento\Framework\View\Page\Config\Renderer->renderAssetHtml(Object(Magento\Framework\View\Asset\PropertyGroup)) #3 /usr/www/users/ws24de/magento2/www/vendor/magento/framework/View/Page/Config/ in /usr/www/users/ws24de/magento2/www/app/code/Lindbaum/Validation/View/Page/Config/Renderer.php on line 51