this is the site:
Under: Verein -> is the category "Vereinsinformationen"
in mobile view is this a selectable and clickable menu-link, but it isn't one.
How can i solve this problem?
Are you sure your are posting in product assigned forum?
What is your CMS version?
: Joomla 3.x
Link to installation
Have you edited any files? If yes tell us which ones.
Is this personal or client website?