after update to 1.72 apply now online Form not shown

Hello together,

had problem, on job detail site, when you click the Button for showing the popup Form for apply now online, the popup don’t show. In version 1.6.16 it worked. After update

Version 1.7.2 here: https://jehle-markt.de/karriere/fahrradmonteur/
Version 1.6.16 here: https://wp.jehle-markt.de/karriere/fahrradmonteur/

Second is a Test Server which is runnig a reinstalled Version. If you need a login for wp.jehle-markt please contact me.

regards
Daniel

The page I need help with: [log in to see the link]