As per the support Team
“Appreciate you for waiting. I just wanted to let you know that after consulting with the team, they have informed me that there is an ongoing system upgrade related to the admin page at the moment. This upgrade is expected to be completed shortly. To save you time and effort, would you prefer if I send you a follow-up email once the upgrade is successfully finished?”
“Regarding the timeline, it should be an immediate fix depending on the investigation being done along with our developers. Usually it will be fixed within the day.”