Problem Types

Problem type Description Next steps
/problems/bad-request The initiated request is invalid or malformed Review your client request against the defined semantics for the API and check the message field in the response for more details
/problems/validation-error The request contains invalid or malformed details Check whether all properties you are passing with your request match the defined semantics. Look at the message & errors fields in the response for more details
/problems/not-found The requested resource was not found Make sure you’re using the correct identifier to obtain the resource you’re trying to access
/problems/forbidden Access to the requested resource is not authorised Make sure you have the correct permissions and check the message field in the response for more details about why access to this resource is restricted
/problems/unauthorized The request lacks valid information needed for authentication Make sure your credentials are valid and check the message field in the response for more details
/problems/server-error The server encountered an unexpected error If the issue persists, contact our support
/problems/service-unavailable The service is temporarily unavailable Retry with exponential backoff. If it persists, contact support
/problems/inactive-account The account you are trying to access is no longer active Contact your seller manager for more information
/problems/storefront-not-configured The requested storefront is not configured for your account Configure the storefront in the Seller Portal, or contact support
/problems/invalid-credentials No matching account found for the provided credentials Make sure you are using correct and valid credentials
/problems/corrupted-signature The request signature is not generated correctly Use the Signature Calculator to verify your signature step by step. Enter the same inputs your code used and compare the computed signature against the one that was rejected — the tool will show exactly which component of the canonical string differs.
/problems/missing-or-invalid-request-header Mandatory request headers are missing or are malformed Refer to our documentation where you can find information about the required headers each request should contain. Check the message field in the response for more details
/problems/duplicate-action The action has already been performed on the entity and therefore cannot be processed again -
/problems/action-not-allowed The requested action cannot be performed on the provided entity -
/problems/tickets/internal-action-restriction Action on ticket related entity where seller is not involved cannot be performed by seller -
/problems/tickets/fbk-action-restriction Action (Opening, Closing, Messaging) on ticket with related FBK Order, where seller is not involved cannot be performed by seller -
/problems/tickets/non-closable-by-seller The Ticket is currently in internal processing and can therefore not be closed by the seller Contact your seller manager to get more information about finding a solution
/problems/tickets/finally-closed A seller can not publish a message in a finally closed ticket -
/problems/tickets/attachments-upload-failure Something went wrong when storing attachments sent alongside a request to create a message in a ticket Please consult your Seller Manager to find out the root cause.
/problems/insufficient-funds The seller's account does not have enough funds to perform the action -
/problems/returns/unit-wrong-status Returns unit(s) have wrong status -
/problems/returns/return-address-not-set Return address is not set -
/problems/returns/return-address-unsupported-country It is not possible to initialize a return to the seller's return address -
/problems/order-units/cancel-error Error performing order cancellation -
/problems/order-units/cancel-not-possible Cancellation of order unit is not possible -
/problems/order-units/cancel-not-allowed Cancellation of order unit is not allowed -
/problems/order-units/missing-payment Cancellation of order unit that wasn't paid -
/problems/order-units/shipping-rate-not-defined Shipping rate is not defined -
/problems/subscriptions/unverified-callback-url The provided callback URL is not configured correctly Follow the steps described on our documentation page to make sure your push notification subscription is compliant with our callback URL verification process
/problems/already-exists The entity already exists Check the message field to see which value caused the conflict (e.g. a name), then choose a different, unique value and retry
/problems/has-units The Shipping Group or Warehouse cannot be deleted because it has units Move Units to another Shipping Group or Warehouse before deleting
/problems/last-element The last Shipping Group or Warehouse cannot be deleted Create a new default Shipping Group or Warehouse first
/problems/default-required You attempted to delete or unset the default Shipping Group or Warehouse without first assigning a new default Set a new default Shipping Group or Warehouse first
/problems/units/bulk-duplicate-units The provided request contains duplicate Units Remove duplicates and try again
/problems/units/bulk-too-many-units The provided request contains too many Units. The maximum number of Units is specified in the error message Split the request so that each request contains no more than the maximum number of Units
/problems/units/bulk-invalid-operation Batch operations cannot be performed when one or more of the selected offers use a fulfillment type that is not supported for batch operations Remove those offers from the batch and update them individually
/problems/units/bulk-too-many-batches Unit Service can't handle more than one asynchronous batch operation at a time Wait for your current batch operation to finish before submitting a new one, then retry
/problems/units/default-warehouse-forbidden Non-EU sellers with more than one warehouse, or EU sellers with more than one warehouse with at least one non-EU warehouse must provide an explicit id_warehouse when creating an offer Include the id_warehouse field in your request
/problems/units/default-warehouse-not-found No default warehouse is configured for this seller account Either configure a default warehouse or include the id_warehouse field in your request
/problems/shipping-groups/region-storefront-missing The first Region must contain Storefront Country Add the Storefront Country as a destination Country to the first Region
/problems/shipping-groups/region-duplicate-countries Shipping Group Regions are not allowed to have duplicate Countries Remove duplicates and try again
/problems/warehouses/missing-tax-information To create or update a Warehouse in a Country, you need to provide local tax information Provide Country tax information on the Seller Portal page
/problems/warehouses/default-warehouse-setup-forbidden Non-EU sellers with more than one warehouse, or EU sellers with more than one warehouse with at least one non-EU warehouse cannot set default warehouse Sellers with this warehouse configuration are not permitted to have a default warehouse — omit is_default or set it to false for this warehouse
/problems/warehouses/warehouse-country-immutable Country cannot be updated once a Warehouse is already created Please try creating a new Warehouse with the desired country and reassign the existing units to the new Warehouse if needed
/problems/import-files/file-too-large The provided file is too large Split the file into smaller parts
/problems/shipping-labels/warehouse-missing Missing warehouse information We are missing the warehouse information in order to generate the shipping label. Please try again later. If it isn't resolved, please get in contact via your kss contact Email.
/problems/vouchers/terms-not-accepted The Voucher Terms and Conditions have not been accepted for the storefront Accept the Voucher Terms and Conditions for the storefront in the Seller Portal before creating vouchers
/problems/vouchers/status-change-not-allowed The voucher cannot be activated, deactivated, or deleted in its current status Verify the voucher's current status before retrying. See the Voucher documentation for the allowed status transitions
/problems/vouchers/not-editable The voucher cannot be edited in its current status Verify the voucher's current status before retrying. See the Voucher documentation for the allowed status transitions
/problems/vouchers/unresolvable-eans One or more of the provided EANs could not be resolved to a product in your assortment Check the message field for the specific EANs that failed to resolve, and verify they are valid and belong to your account.