--- title: HydrogenStorefrontCreateUserErrorCode - GraphQL Admin description: >- Possible error codes that can be returned by `HydrogenStorefrontCreateUserError`. api_version: unstable api_name: admin source_url: html: >- https://shopify.dev/docs/api/admin-graphql/unstable/enums/HydrogenStorefrontCreateUserErrorCode md: >- https://shopify.dev/docs/api/admin-graphql/unstable/enums/HydrogenStorefrontCreateUserErrorCode.md --- # Hydrogen​Storefront​Create​User​Error​Code enum Possible error codes that can be returned by `HydrogenStorefrontCreateUserError`. ## Valid values * BLANK The input value is blank. * CUSTOM\_​STOREFRONTS\_​NOT\_​INSTALLED The Hydrogen storefront app isn't installed. * FAILED\_​TO\_​CREATE The Hydrogen storefront failed to be created. * HYDROGEN\_​NOT\_​SUPPORTED\_​ON\_​PLAN Your plan doesn't include Hydrogen storefronts. * INVALID The input value is invalid. * JOB\_​NOT\_​ENQUEUED The job couldn't be processed. Please try again later. * TITLE\_​ALREADY\_​EXISTS The title for the storefront is already taken. * TITLE\_​TOO\_​LONG The title for the storefront is too long. *** ## Fields * [Hydrogen​Storefront​Create​User​Error.code](https://shopify.dev/docs/api/admin-graphql/unstable/objects/HydrogenStorefrontCreateUserError#field-HydrogenStorefrontCreateUserError.fields.code) OBJECT An error that occurs during the execution of `HydrogenStorefrontCreate`. *** ## Map ### Fields with this enum * <-|[Hydrogen​Storefront​Create​User​Error.code](https://shopify.dev/docs/api/admin-graphql/unstable/objects/HydrogenStorefrontCreateUserError#field-HydrogenStorefrontCreateUserError.fields.code)