error with eshop module in header

Hi, on this website: test.lunchroomrigtpunt.nl I have a cart module from eshop in the header.
It gives an error when trying to delete a product from it on Iphone, and doesn't delete a product on desktop or android. The developer at joomdonation says it's because the gridbox plugin:
"Seems the plugin in gridbox loads the module 3 times and it is the reason of issue."How can I fix this?

Hello,
Thank you for contacting us

As we can see the shopping cart only works by reloading the page.
As we can see, you added the module three times to the page (header, mobile header, sticky header).

We recommend that you use the Gridbox store

Best Regards,
Vyacheslav, Balbooa Support Team