# E004 — Role manifest invalid (https://jackin.tailrocks.com/reference/errors/E004/)



**E004**: Role manifest invalid

## What to try [#what-to-try]

Fix the syntax or schema errors shown in the error message. Run `jackin role validate <path>` to validate the manifest without launching.

## See also [#see-also]

* Run `jackin doctor` for a full pre-flight health check.
* Pass `--debug` to any `jackin` command to enable diagnostic tracing.