Fatal error: Declaration of Psb\PsbBayforCore\ViewHelpers\Page\LanguageMenuViewHelper::getLanguageUrl($languageId): TYPO3\CMS\Frontend\Typolink\LinkResultInterface|string|null must be compatible with FluidTYPO3\Vhs\ViewHelpers\Page\LanguageMenuViewHelper::getLanguageUrl($languageId): string in /var/www/vhosts/bayfor.org/httpdocs/bayforwebsite/typo3conf/ext/psb_bayfor_core/Classes/ViewHelpers/Page/LanguageMenuViewHelper.php on line 104