CMS Lightbox Cache Problems / wont open in Chrome after reloading

Design help CMS
1

Hi Guys, my CMS Lightbox do not work in chrome after refreshing the published site.
zubermaschinenbau.de
After emptying cache in chrome the lightbox works normal until refreshing the site or change to another product site. Than it doesnt work again.
In Firefox everything seems to work normal.
This is the read only link:

https://preview.webflow.com/preview/zuber-maschinenbau?utm_medium=preview_link&utm_source=designer&utm_content=zuber-maschinenbau&preview=a000bf02db467c0f67b653180d158802&pageId=5e9d58f892aec8781e272b53&itemId=5e9e91828037706e9dc7ed85&mode=preview

Here is my public share link: LINK
(how to access public share link)