# E001

unknown key or wrong type

**Error**: unknown key or wrong type.

A version with this finding cannot be published.

## Example

The contract fixture `E001-unknown-step-key` reports `E001` at `steps[0]`:

```json
{
  "kaab": "1",
  "steps": [
    {
      "reload": true,
      "bogus": 1
    }
  ]
}
```