Import broke the plugin

Okay, so rather foolishly I appear to have uploaded a csv with the urls the wrong way around, causing too many redirects on critical pages ???♂?.

Now, all the Redirection tabs (apart from Import/Export) are showing pulsing grey boxes where any data or settings should be, so whatever I’ve done has clearly the wrecked the plugin and I’m unable to reset.

I’d like to clear all redirects and reset the Redirection data to it’s initial state (ie happy to start from scratch), but I can’t bulk select anything because it’s just giving me the pulsing boxes.

Any way to fix this and reset the plugin? I’ve disabled for now, so at least the new pages are working again, but I do need to get the old imports back up and running somehow.

Thanks in advance!