# libtmux.exc.DeprecatedError

- **Module:** libtmux.exc
- **Package:** libtmux
- **Language:** Python
- **Kind:** exception
- **Source:** https://github.com/tmux-python/libtmux/blob/38e368c11117fb4aeb2f082d552cd4f210eae06a/src/libtmux/exc.py#L65
- **Bases:** [`LibTmuxException`](/en/py/stable/reference/libtmux-exc-libtmuxexception/)
- **Page:** https://libtmux.org/en/py/stable/reference/libtmux-exc-deprecatederror/

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

This exception provides clear guidance on what to use instead.

## Members

### Other members

- [`__init__`](/en/py/stable/reference/libtmux-exc-deprecatederror-__init__/) (method)

## Inherited members

- [`__str__`](/en/py/stable/reference/libtmux-exc-deprecatederror-__str__/) (method), inherited from `libtmux.exc.LibTmuxException`: Render with optional ``"<subcommand>: …"`` prefix.