# ToolError

- **Package:** LibTmuxMCP
- **Language:** Swift
- **Kind:** enum
- **Source:** https://github.com/libtmux/libtmux-swift/blob/254f8b2be7eb60cacc3ffcb3ea8e456784f582df/Sources/LibTmuxMCP/ToolCatalog.swift#L675
- **Page:** https://libtmux.org/en/swift/latest/mcp/reference/toolerror/

Why a call could not produce its normal result.

## Members

- `!=(_:_:)` (function): Returns a Boolean value indicating whether two values are not equal.
- `localizedDescription` (property): Retrieve the localized description for this error.
- `unknownTool(_:)` (constant)
- `missingArgument(_:)` (constant)
- `unknownArguments(_:accepted:)` (constant)
- `wrongArgumentType(_:expected:)` (constant)
- `notAllowed(_:value:allowed:)` (constant)
- `notEnabled(_:)` (constant)
- `refusedForSafety(_:)` (constant)
- `tmuxRejected(_:)` (constant)
- `tmux(_:)` (constant)
- `internalFailure(_:)` (constant)
- `description` (property): A textual representation of this instance.