> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # ResultError ## Example Usage ```typescript theme={null} import { ResultError } from "@openrouter/sdk/models"; let value: ResultError = { message: "", param: "", type: "", }; ``` ## Fields | Field | Type | Required | Description | Example | | - | - | - | - | - | | `errorType` | [models.ApiErrorType](../models/apierrortype.mdx) | ➖ | Canonical OpenRouter error type, stable across all API formats | rate\_limit\_exceeded | | `message` | *string* | ✔️ | N/A | | | `param` | *string* | ✔️ | N/A | | | `type` | *string* | ✔️ | N/A | |