--- title: PubSubWebhookSubscriptionUpdateUserErrorCode - GraphQL Admin description: Possible error codes that can be returned by `PubSubWebhookSubscriptionUpdateUserError`. api_version: 2025-10 api_name: admin type: enum api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/enums/pubsubwebhooksubscriptionupdateusererrorcode md: https://shopify.dev/docs/api/admin-graphql/latest/enums/pubsubwebhooksubscriptionupdateusererrorcode.md --- # Pub​Sub​Webhook​Subscription​Update​User​Error​Code enum Possible error codes that can be returned by `PubSubWebhookSubscriptionUpdateUserError`. ## Valid values * INVALID\_​PARAMETERS Invalid parameters provided. * TAKEN Address for this topic has already been taken. *** ## Fields * [Pub​Sub​Webhook​Subscription​Update​User​Error.code](https://shopify.dev/docs/api/admin-graphql/latest/objects/PubSubWebhookSubscriptionUpdateUserError#field-PubSubWebhookSubscriptionUpdateUserError.fields.code) OBJECT An error that occurs during the execution of `PubSubWebhookSubscriptionUpdate`. *** ## Map ### Fields with this enum * <-|[Pub​Sub​Webhook​Subscription​Update​User​Error.code](https://shopify.dev/docs/api/admin-graphql/latest/objects/PubSubWebhookSubscriptionUpdateUserError#field-PubSubWebhookSubscriptionUpdateUserError.fields.code)