Hello Patrick Lindner,
Please, try disabling this feature: https://prnt.sc/yhmwec
I hope your problem will be solved for now. We are working to fix the issue and hopefully release an update of the plugin soon.
Thanks for allowing us some time.
Public
Ticket #73774
Plugin makes client not able to add products in shoppingcart
Patrick Lindner
Hi, first of al i like you plugin! it was working perfect but since some days when your plugin is running the client cant add products to the shopping cart. when plugin is of all works fine. When logged in the admin i can also add productrs in cart. When logged out and then due your plugging site is not working and client cant add an item to the shopping card. Could you please check and advise