# errors.ProgramStartError

- **Module:** errors
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** class
- **Source:** https://github.com/libtmux/libtmux-ts/blob/ad09eaef7ffff40f510989ee0695852c44a31576/packages/libtmux/src/errors.ts#L459
- **Page:** https://libtmux.org/en/ts/latest/reference/errors-programstarterror/

A program never ran: [`argv`](/en/ts/latest/reference/types-plannedoperation-argv/)`[0]` was not found on its `PATH` or is not an executable file, or its `startDirectory` could not be entered. [`exitCode`](/en/ts/latest/reference/errors-programstarterror-exitcode/) is the status a shell reports for the same failure, 127 or 126.

## Members

### Other members

- [`code`](/en/ts/latest/reference/errors-programstarterror-code/) (attribute)
- [`constructor`](/en/ts/latest/reference/errors-programstarterror-constructor/) (method)
- [`exitCode`](/en/ts/latest/reference/errors-programstarterror-exitcode/) (attribute)
- [`reason`](/en/ts/latest/reference/errors-programstarterror-reason/) (attribute)