Sometimes when we update our plugins we can have a WordPress error called: Briefly Unavailable for Scheduled Maintenance, in some cases you just need to wait a few minutes but sometimes it gets stuck. So to solve this you just need to remove the maintenance file from your website folder.
✨ Plugins:
Elementor Free: https://bit.ly/elementor-xdu
Elementor PRO: https://bit.ly/elementorpro-xdu