# error.ServerConfigurationErrorKind.MalformedTmuxVariable

- **Module:** error.ServerConfigurationErrorKind
- **Package:** libtmux
- **Language:** Rust
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/error.rs#L71
- **Page:** https://libtmux.org/reference/rs/error-serverconfigurationerrorkind-malformedtmuxvariable/

The `TMUX` variable is present but is not tmux's triple.

tmux writes `socket,pid,session`. An empty value, or one with no
socket before the first comma, means something rewrote it.