“Briefly Unavailable for Scheduled Maintenance. Check back in a minute.” It is the error that appears in WordPress when an automatic update fails or is performed and has not yet been completed. Although this does not usually happen very often, when you manage a significant number of sites the chances of it happening increase.
Keep in mind that this error occurs both when we update WordPress and when we update a plugin. While the updates are being made, Wordpres places a small file in the root of the site called .maintenance, which is in charge of displaying the message, instead of showing PHP errors while the necessary files are updated. Once the update is complete, the file is automatically deleted (or not).
To solve it, you just have to delete the file and we can access WordPress again.
To eliminate it, we enter the file manager from our cpanel and within the folder where we have our Wordpress installed we can see the .maintance file and delete it.
If we do not see it, verify that we have activated the Show Hidden Files option in the administrator preferences (settings), which would be to see hidden files.
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