Reply To: “Error! Page load signature check failed.” Error message on Payment Popup

[Admin]

This happens when there is database caching on the site/server.

Impact of Caching on E-Commerce Sites

You can go to the Settings option in the “advanced settings” menu of the plugin and then check the “Disable Page Load Signature Check” field and save it.

I have also replied to your email ticket so we will communicate via the email.