Error while attempting to Edit shipping and billing address

Hai, I have a error while attempting to Edit shipping and billing address in checkout page step 3 . I checked in console, i got the following error [color=red]„Uncaught TypeError: Cannot read property ‚ajax_add_article‘ of undefined“[/color] Here,you can see the probelm http://www.foster-natur.org/ Kindly help me to find a solution for this… Thanks in advance.

Looks like a faulty plugin to me. Try disabling all of them and use the checkout again. Kind regards

[quote=“Aquatuning GmbH”]Looks like a faulty plugin to me. Try disabling all of them and use the checkout again. Kind regards[/quote] Hai, Thanks for the quick reply… I just make all the plugin inactive and tried. I got the same error… Thanks again.