[UPDATE at 17:30 CET] The application has resumed normal operation.
[UPDATE at 17:24 CET] Service is currently being restored; there might still be some delays.
[UPDATE at 16:57 CET] Our provider has identified the issue and is working to fix it.
Our application is currently unavailable due to some issues with our hosting provider. We are looking into the issue.
Apologies for the inconvenience.