# libtmux.exc.DeprecatedError

- **Module:** libtmux.exc
- **Package:** libtmux
- **Language:** Python
- **Kind:** exception
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/exc.py#L65
- **Page:** https://libtmux.org/reference/py/libtmux-exc-deprecatederror/

Raised when a deprecated function, method, or parameter is used.

This exception provides clear guidance on what to use instead.

## Members

- `__init__` (method)
- `__str__` (method) — Render with optional ``"<subcommand>: …"`` prefix.