--- title: CollectionDuplicateUserError - GraphQL Admin description: Errors related to collection duplication. api_version: unstable api_name: admin source_url: html: >- https://shopify.dev/docs/api/admin-graphql/unstable/objects/CollectionDuplicateUserError md: >- https://shopify.dev/docs/api/admin-graphql/unstable/objects/CollectionDuplicateUserError.md --- # Collection​Duplicate​User​Error object Errors related to collection duplication. ## Fields * code [Collection​Duplicate​User​Error​Code](https://shopify.dev/docs/api/admin-graphql/unstable/enums/CollectionDuplicateUserErrorCode) The error code. * field [\[String!\]](https://shopify.dev/docs/api/admin-graphql/unstable/scalars/String) The path to the input field that caused the error. * message [String!](https://shopify.dev/docs/api/admin-graphql/unstable/scalars/String) non-null The error message. *** ## Map No referencing types *** ## Mutations * [collection​Duplicate](https://shopify.dev/docs/api/admin-graphql/unstable/mutations/collectionDuplicate) mutation Duplicates a [collection](https://shopify.dev/docs/api/admin-graphql/latest/objects/Collection). An existing collection ID and new title are required. ## Publication Duplication Publications may be excluded by passing `copyPublications: false` in the input. ## Metafields Metafield values are not duplicated if the unique values capability is enabled. * input [Collection​Duplicate​Input!](https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/CollectionDuplicateInput) required ### Arguments The input for duplicating a collection. *** *** ## CollectionDuplicateUserError Mutations ### Mutated by * [collection​Duplicate](https://shopify.dev/docs/api/admin-graphql/unstable/mutations/collectionDuplicate) *** ## Interfaces * [Displayable​Error](https://shopify.dev/docs/api/admin-graphql/unstable/interfaces/DisplayableError) interface *** ## CollectionDuplicateUserError Implements ### Implements * [Displayable​Error](https://shopify.dev/docs/api/admin-graphql/unstable/interfaces/DisplayableError)