# exc.TmuxTransportError.stderr

- **Module:** exc.TmuxTransportError
- **Package:** @libtmux/libtmux
- **Language:** TypeScript
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ts/blob/2cb93308200da38a26b59876618116850f110607/packages/libtmux/src/exc.ts#L180
- **Page:** https://libtmux.org/reference/ts/exc-tmuxtransporterror-stderr-1fwq/

```
exc.TmuxTransportError.stderr() -> Uint8Array
```

Whatever tmux wrote to stderr before the failure, copied.