[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › SetElementIssue

```ts
type SetElementIssue<Error> = Error extends TypeError
  ? {
      error: Error;
      index: number;
      kind: "Element";
    }
  : never;
```

Defined in: [packages/common/src/Type.ts:8041](https://github.com/evoluhq/evolu/blob/f0109fb501a593010e858e39248dde1200eeb2d7/packages/common/src/Type.ts#L8041)

An invalid Set element and its iteration index.