What does the 'unknown driver' error typically indicate?

The 'unknown driver' error when using SQLite3 in Python (or other languages) usually means the SQLite3 library isn't properly installed or the system doesn't have the necessary SQLite3 files. This can happen if you haven't installed the `sqlite3` package, or if there's an issue with the installation process. It's a common issue, especially after upgrading Python or reinstalling dependencies.