after update arcade post navigation no more visible

i purchased arcade 13 mounths ago and after updating the theme to Version 1.1.1 yesterday the post navigation is no more visible.

site: https://www.lumostock.com

for example: https://www.lumostock.com/?s=% – there are 721 search results but there are displayed 50 results and no more navigation like “older posts” and “newer posts”

what can i do?

any ideas?

thank you and best regards