# Libtmux.Cardinality.pp_error

- **Module:** Libtmux
- **Package:** libtmux
- **Language:** OCaml
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-ocaml/blob/205dfda49742592b479247049d186956e4a4cfe9/lib/libtmux.mli#L688
- **Public owner:** Libtmux
- **Page:** https://libtmux.org/en/ocaml/latest/reference/libtmux-cardinality-pp_error/

```
val pp_error : Format.formatter -> error -> unit
```

## Parameters

- `arg1` (`Format.formatter`)
- `arg2` (`error`)

## Guides

Pages that discuss `pp_error`.

- [Testing and CI](/en/ocaml/latest/guides/testing/)