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storageDatabase•databaseDatabase Errorwebwordpresserrorerrorlinkconnection•labelCommon•warningModerate

The site is not available due to a database error

The error appears when WordPress fails to open a connection to the MySQL database. It stops loading core files and shows a plain message.

The failure usually results from incorrect credentials, missing user rights, corrupted tables, or a down database server. When the connection breaks, WordPress cannot retrieve settings, posts, or admin data.

Symptoms

[dashicons-warning]
White screen with error message
You see a plain page that reads “The site is not available due to a database error.”
[dashicons-admin-site]
No admin access
Both front‑end and /wp‑admin return the same error.
[dashicons-database]
500 Internal Server Error
The server returns a 500 status code behind the WordPress message.

Common Causes

Incorrect DB credentials
Host, database name, user or password in wp‑config.php does not match the MySQL server.
Insufficient user privileges
The MySQL user lacks SELECT, INSERT or UPDATE rights on the WordPress tables.
Corrupted MySQL tables
Failed plugin install or abrupt shutdown leaves tables damaged.
Database server unreachable
Network or DNS issues prevent the web server from contacting the remote DB host.
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