WordPress:
WordPress is a free and open source content management system. WordPress is installed on a web server that is either part of an Internet hosting service or a network host in its own right. The WordPress has a web template system by using a template processor.
Why does this error happen?
When you update a plugin, WordPress puts itself in a temporary maintenance mode state. When the message “Briefly unavailable for scheduled…” is seen, it is an alert notification generated by WordPress that alerts any visitor about what’s happening with your site.
Let’s say you are updating your plugins and someone happens to visit your site during the process. They had seen that notification message, say “okay” to themselves, and hopefully refresh the page in a minute.
This message is a normal behavior. It’s not normal is when your server has a slow response time or for some reason the update script is interrupted (or times out). In this case, the friendly notification morphs into a moment of panic and dread.
How to fix it?
When this issue happens, the WordPress generates a .maintenance file in the root directory of the installation. In a normal behavior, the script will be updated completely and WordPress auto-removes the .maintenance file. In the case of an interruption of some sort, this file does not get deleted and the message will not go away.
The answer? Delete it manually.
The steps are:
- Log into your web server via FTP or your web host’s control panel.
- Locate the root of your WordPress install (in this only you’ll find folders for wp-content, wp-includes, and wp-admin)
- Look a file called
.maintenance - Delete it
- And Refresh your WordPress site and sigh a giant sigh of relief that everything’s normal again.
These are the steps to solve the “Briefly unavailable for scheduled…” error in WordPress.