website stuck on maintenance mode it is based on this platform https://ift.tt/2WDd9X1

I am working on a website for someone which is based on this platform https://autoprint.atlassian.net/wiki/spaces/KB/overview. I turned on the admin maintenance mode and got myself logged out of admin. Now both the website and admin backed is on maintenance mode. I'm trying to solve this problem but no one has any clue about this platform. website is https://www.mcprintanddesign.com/