Update: We are pleased to confirm that QuartzWeb is now back up and running. You should now be able to login, but if you have any issues please contact us. Again, sincere apologies for the downtime.
Original post: Apologies to everyone for the technical issues with logging into Quartz over the last 24 hours. Our engineers are on the case and a fix is scheduled to be deployed by 10.30am today (19/05/2017) that will resolve the problem.
Thank you for your patience and apologies again for the inconvenience.