# TransactionRequest Errors

## `TransactionRequest.MissingAuthorizationListError`

Thrown when a 7702 conversion is requested but no `authorizationList` is provided.

**Source:** [src/core/TransactionRequest.ts](https://github.com/wevm/ox/blob/main/src/core/TransactionRequest.ts#L452)

## `TransactionRequest.MissingKzgError`

Thrown when a 4844 conversion is requested but no `kzg` context is provided.

**Source:** [src/core/TransactionRequest.ts](https://github.com/wevm/ox/blob/main/src/core/TransactionRequest.ts#L452)