All SDK methods return a response object or throw an error. If Error objects are specified in your OpenAPI Spec, the SDK will throw the appropriate Error type.
Error ObjectStatus CodeContent Type
errors.BadRequest400application/json
errors.Unauthorized401application/json
errors.Forbidden403application/json
errors.NotFound404application/json
errors.TooManyRequests429application/json
errors.InternalServerError500application/json
errors.BadGateway502application/json
errors.ServiceUnavailable503application/json
errors.SDKError4xx-5xx/
Validation errors can also occur when either method arguments or data returned from the server do not match the expected format. The SDKValidationError that is thrown as a result will capture the raw value that failed validation in an attribute called rawValue. Additionally, a pretty() method is available on this error that can be used to log a nicely formatted string since validation errors can list many issues and the plain error string may be difficult read when debugging. 
import { AvaCloudSDK } from "@avalabs/avacloud-sdk";
import {
    BadGateway,
    BadRequest,
    Forbidden,
    InternalServerError,
    NotFound,
    SDKValidationError,
    ServiceUnavailable,
    TooManyRequests,
    Unauthorized,
} from "@avalabs/avacloud-sdk/models/errors";

const avaCloudSDK = new AvaCloudSDK({
    apiKey: "<YOUR_API_KEY_HERE>",
    chainId: "43114",
    network: "mainnet",
});

async function run() {
    try {
        await avaCloudSDK.data.nfts.reindexNft({
            address: "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
            tokenId: "145",
        });
    } catch (err) {
        switch (true) {
            case err instanceof SDKValidationError: {
                // Validation errors can be pretty-printed
                console.error(err.pretty());
                // Raw value may also be inspected
                console.error(err.rawValue);
                return;
            }
            case err instanceof BadRequest: {
                // Handle err.data$: BadRequestData
                console.error(err);
                return;
            }
            case err instanceof Unauthorized: {
                // Handle err.data$: UnauthorizedData
                console.error(err);
                return;
            }
            case err instanceof Forbidden: {
                // Handle err.data$: ForbiddenData
                console.error(err);
                return;
            }
            case err instanceof NotFound: {
                // Handle err.data$: NotFoundData
                console.error(err);
                return;
            }
            case err instanceof TooManyRequests: {
                // Handle err.data$: TooManyRequestsData
                console.error(err);
                return;
            }
            case err instanceof InternalServerError: {
                // Handle err.data$: InternalServerErrorData
                console.error(err);
                return;
            }
            case err instanceof BadGateway: {
                // Handle err.data$: BadGatewayData
                console.error(err);
                return;
            }
            case err instanceof ServiceUnavailable: {
                // Handle err.data$: ServiceUnavailableData
                console.error(err);
                return;
            }
            default: {
                throw err;
            }
        }
    }
}

run();