# Type Alias: ProtocolErrorCode

```ts
type ProtocolErrorCode = 
  | "PASSKEY_CANCELLED"
  | "WEBAUTHN_UNAVAILABLE"
  | "FOLDER_UNAVAILABLE"
  | "FOLDER_GONE"
  | "FOLDER_ACCOUNT_UNREADABLE"
  | "VAULT_UNLOCK_FAILED"
  | "VAULT_LAST_WRAP"
  | "PAIRING_TICKET_UNREADABLE";
```

Defined in: [packages/core/src/utils/errors.ts:7](https://github.com/leifriksheim/minca/blob/main/core/src/utils/errors.ts#L7)