Sorry @charlwillis, a bug we previously fixed managed to sneak back in for Android users.
We’ve fixed this again now. We have released a new version of the app this evening so when you get this, everything should be working again. Plus there are some some new features of course: Next Release - Version 2.3 - Thursday 28th May
It’s rolling out to the play store as I type this, so hopefully in the morning all will be well again.
Sorry about this. We will be keeping a close eye to ensure it doesn’t come back! 
Paul