Fatal error: Declaration of CustomUsernameCSS\XF\Template\Templater::renderTemplate($name, array $params = [], $addDefaultParams = true) must be compatible with XF\Template\Templater::renderTemplate($template, array $params = [], $addDefaultParams = true, ?XF\Template\ExtensionSet $extensionOverrides = null) in /var/www/html/src/addons/CustomUsernameCSS/XF/Template/Templater.php on line 35