# AccountOperation Errors

## `AccountOperation.InvalidApprovalError`

Thrown when an account operation owner approval is invalid.

**Source:** [src/tempo/AccountOperation.ts](https://github.com/wevm/ox/blob/main/src/tempo/AccountOperation.ts#L1103)

## `AccountOperation.InvalidOperationError`

Thrown when an account operation is malformed or internally inconsistent.

**Source:** [src/tempo/AccountOperation.ts](https://github.com/wevm/ox/blob/main/src/tempo/AccountOperation.ts#L1141)