# tmux.ComplexOptionDecodeError

- **Module:** tmux
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** struct
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/complex_options.go#L15
- **Page:** https://libtmux.org/reference/go/tmux-complexoptiondecodeerror/

ComplexOptionDecodeError identifies one malformed sparse-array entry without retaining its raw value.

## Members

- `Option` (attribute) — Option is the option name whose sparse-array entry was malformed.
- `Index` (attribute) — Index is the zero-based sparse-array entry index.
- `Reason` (attribute) — Reason describes the syntax failure without retaining raw option contents.
- `Error` (method) — Error implements error.
- `Unwrap` (method) — Unwrap makes ComplexOptionDecodeError compatible with ErrMalformedComplexOption.