--- title: ArticleUpdateUserErrorCode - GraphQL Admin description: Possible error codes that can be returned by `ArticleUpdateUserError`. api_version: 2025-10 api_name: admin type: enum api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/enums/articleupdateusererrorcode md: https://shopify.dev/docs/api/admin-graphql/latest/enums/articleupdateusererrorcode.md --- # Article​Update​User​Error​Code enum Possible error codes that can be returned by `ArticleUpdateUserError`. ## Valid values * AMBIGUOUS\_​AUTHOR Can't update an article author if both author name and user ID are supplied. * AMBIGUOUS\_​BLOG Can't create a blog from input if a blog ID is supplied. * AUTHOR\_​MUST\_​EXIST User must exist if a user ID is supplied. * BLANK The input value is blank. * INVALID The input value is invalid. * INVALID\_​PUBLISH\_​DATE Can’t set isPublished to true and also set a future publish date. * INVALID\_​TYPE The metafield type is invalid. * INVALID\_​VALUE The value is invalid for the metafield type or for the definition options. * NOT\_​FOUND The record with the ID used as the input value couldn't be found. * TAKEN The input value is already taken. * TOO\_​LONG The input value is too long. * UPLOAD\_​FAILED Image upload failed. *** ## Fields * [Article​Update​User​Error.code](https://shopify.dev/docs/api/admin-graphql/latest/objects/ArticleUpdateUserError#field-ArticleUpdateUserError.fields.code) OBJECT An error that occurs during the execution of `ArticleUpdate`. *** ## Map ### Fields with this enum * <-|[Article​Update​User​Error.code](https://shopify.dev/docs/api/admin-graphql/latest/objects/ArticleUpdateUserError#field-ArticleUpdateUserError.fields.code)