WordPress — Error establishing a database connection

WordPress. — Error—————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————–

Domain : WordPress.Priority: Critical.

What does this error mean?

WordPress does not manage to connect to its database.

Probable causes

incorrect configuration or dependency.
service, network or storage unavailable.
recent change or component failure.

Verification and resolution

Keep the message complete and the time of the, error.
Identify the exact component that returns the code.
Control dependencies before any global repair.
Apply a targeted correction and then retester.

Precaution:::.:. Avoid generic repair scripts or irreversible removals before having confirmed the cause.

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