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

Defined in: [packages/common/src/Leancase.ts:56](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/common/src/Leancase.ts#L56)

**`Experimental`**

Error returned when [leancased](https://evolu.dev/docs/api-reference/common/Leancase/variables/leancased) rejects a string.

## Extends

- [`TypeError`](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError)\<`"Leancased"`\>

## Properties

<a id="type"></a>

### type

```ts
readonly type: "Leancased";
```

Defined in: [packages/common/src/Type.ts:1005](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/common/src/Type.ts#L1005)

**`Experimental`**

#### Inherited from

[`TypeError`](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError).[`type`](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError#type)

---

<a id="value"></a>

### value

```ts
readonly value: string;
```

Defined in: [packages/common/src/Leancase.ts:57](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/common/src/Leancase.ts#L57)

**`Experimental`**