Checkout page ( WHMCS) was working fine, today it won't load?

This is what shows up

The console gives these errors?

[HTTP/1.1 404 Not Found 0ms]

[HTTP/2 410 Gone 215ms]

The loading of “” in a frame is denied by “X-Frame-Options“ directive set to “SAMEORIGIN“. iframe

i am having similar issue. it was all working fine but since thursday or friday, the form would not load. getting same 410 and iframe error as posted by main user abve.

Are the applications you’re using still using the SqPaymentForm? If so that is retired and decommissioned. You’ll need to migrate to the Web Payments SDK. :slightly_smiling_face: