After deleting site data, Firestore fails to function, can you explain why this is happening?

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When you delete site data, you may delete important information such as authentication tokens and database connections that Firestore relies on to function. This can cause Firebase SDKs to stop functioning correctly, resulting in errors when attempting to read from or write to the database. To resolve this issue, you may need to reconnect to the database by re-authenticating, refreshing tokens, or initializing the Firebase SDK again with the correct configuration settings.