# LibTmux.Server.MutationRejected

- **Module:** LibTmux.Server
- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** data constructor
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/internal/LibTmux/Internal/Scope.hs#L29
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-server-v-mutationrejected/

```haskell
MutationRejected !ByteString
```

Signature types: [`ByteString`](https://hackage.haskell.org/package/bytestring-0.12.2.0/docs/Data-ByteString.html#t:ByteString).

tmux rejected the primary command; bounded diagnostic bytes.

## Guides

Pages that discuss `MutationRejected`.

- [Rename and set pane titles](/en/haskell/latest/guides/mutations/)