> For the complete documentation index, see [llms.txt](https://apidocs.arionbanki.is/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.arionbanki.is/b2b-2013-schema/b2b-services/b2b-foreign-payments/errors-and-deviations.md). # Errors and deviations ### Errors & deviations | Error code | Message | | ---------- | -------------------------------------------------------------------------------------------------------------------------------------------- | | **4001** | User is unknown or not connected to service. Please contact Corporate Banking | | **4002** | Currency not registered. It is not possible to make a foreign payment in this currency. | | **4003** | Creditor number has not been registered. Please register contact in online bank account. | | **4004** | Batch of payments not found. | | **4005** | It is not possible to add payment to batch which has already been paid. Please contact Corporate Banking | | **4006** | Payment missing. | | **4007** | The currency has not been registered for this creditor number. Please register the currency for this creditor number in online bank account. | | **4008** | The category key is not registered. Please submit another category key. | | **5001** | Function would not run or permission missing. |