# error.Error.OptionValueRefused.reason

- **Module:** error.Error
- **Package:** libtmux
- **Language:** Rust
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-rs/blob/84de9258a07d10bdd5f6da01b016a9ae06fe1210/crates/libtmux/src/error.rs#L559
- **Page:** https://libtmux.org/en/rs/latest/reference/error-error-optionvaluerefused-reason/

```rs
reason: crate::OptionValueRefusal
```

What the option takes that the value is not.