iMember360 has two "maintenance" screens.
If the maintenance screen includes a login link, as depicted below, it's likely to be a licensing issue, either due to a technical issue, a cancellation on your part or an overdue invoice of 45 days or more.
Please contact us at your earliest convenience for prompt resolution.
If the maintenance screen does not have a login link, it indicates that your site is undergoing an update of some sort: WordPress, plugin, theme, etc. It's just a matter of waiting a few minutes until the update has completed.It should resolve itself within 10 minutes at the most.