All seats are taken issue for the past few weeks

I have been trying to create a new jupiter account for the past few weeks but it always gives me the all seats are taken issue.
I have reached out to support but they say that i reached out to them with an unregistered email address. But I can’t register my email because the app doesn’t let me reach the email registration step.

If would be helpful if someone helps me with this.
Ticket #2899886

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