We saw a lot of Ingenico drop off errors over the weekend:
These can happen for a range of reasons (pop-up blockers, connection errors, maybe bank maintenance?) but donors reported iframes not opening:
571822 comment: The payment method via VISA is not working, neither in Firefox nor in Chrome nor in Edge. The plugin seems to start but is not showing anything. At least in Chrome it is showing a sad smiley. All browsers are up to date, system is Windows 10, latest release, no pop-up-blockers and Java Script is enabled.
Depending on what the cause is, could we deploy more detailed messaging within the iFrame for this case? Even 'try again later' would be better than 'sad smiley'.