# AuthorizationError · FT4 TypeScript client · Chromia Docs (concept)

> Thrown to indicate that there was an error when authorizing an operation. Hierarchy Error AuthorizationError Constructors constructor new AuthorizationErro

Source: https://docs.chromia.com/pages/ft4-ts-client/classes/transaction-builder.AuthorizationError/

Class

# AuthorizationError

On this page

* [Constructors](#constructors)
* [constructor](#constructor)

Thrown to indicate that there was an error when authorizing an operation.

#### Hierarchy

* Error
  + AuthorizationError

## Constructors

### constructor

* ```signature
  new AuthorizationError(msg?: string): AuthorizationError
  ```

  #### Parameters

  + `Optional`msg: string

  #### Returns [AuthorizationError](https://docs.chromia.com/pages/ft4-ts-client/classes/transaction-builder.AuthorizationError/)

  Overrides Error.constructor

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-ts-client/classes/transaction-builder.AuthorizationError.html)Generated API reference, mirrored from the live docs