Unintentionally deleted a week of data from the uamil database, reminding us that while services can be rebuilt, data is invaluable. Always think twice before making changes to the database.

This error usually occurs when MySQL server's authentication protocol is incompatible with the MySQL client. Common causes include the server using the `caching_sha2_password` plugin while the client relies on the older `mysql_native_password` plugin. Solutions include upgrading the MySQL client to a version supporting `caching_sha2_password`, or changing the user's authentication plugin to `mysql_native_password` using SQL commands.