# libtmux:client-closed

- **Package:** libtmux
- **Language:** Common Lisp
- **Kind:** exception
- **Source:** https://github.com/libtmux/libtmux-lisp/blob/c2e5fc4ed3befda21f45dfa5d5868c38fd138311/src/conditions.lisp#L68
- **Public owner:** libtmux
- **Bases:** [`libtmux:libtmux-error`](/en/lisp/latest/reference/libtmux-libtmux-error/)
- **Page:** https://libtmux.org/en/lisp/latest/reference/libtmux-client-closed/

An external operation was attempted on a closing/closed client.