# Error Codes | Error code | Status | Error description | | ---------- | ---------- | -------------------------------------------------------------------------------- | | 1 | SUCCESS | Success | | 2 | FAILED | An error occurred during the processing. | | 99 | PROCESSING | Processing | | 2000 | FAILED | Invalid request | | 2002 | FAILED | Missing parameter | | 2003 | FAILED | Invalid parameter | | 2004 | FAILED | No data found | | 2009 | FAILED | Insufficient funds to make payment | | 2016 | FAILED | Currency not supported | | 2030 | FAILED | Merchant does not exist on the system | | 2031 | FAILED | Merchant does not have access rights | | 2032 | FAILED | Merchant is not activated | | 2033 | FAILED | Merchant is locked | | 2034 | FAILED | Merchant is not registered for collection service | | 2035 | FAILED | Merchant is not supported for the feature | | 2036 | FAILED | Merchant cannot perform this operation | | 2100 | FAILED | Create VAs request has duplicate information | | 2101 | FAILED | Request does not exist | | 2102 | FAILED | Request already exists | | 2103 | PROCESSING | Create request is being processed | | 2104 | FAILED | Cannot update request that has been/is being processed | | 2110 | FAILED | Transaction does not exist | | 2111 | FAILED | Transaction already exists | | 2112 | PROCESSING | Transaction is being processed | | 2113 | FAILED | Cannot update transaction that has/is being processed | | 2201 | FAILED | Account creation request exceeds the allowed number | | 2202 | FAILED | Virtual account does not exist | | 2203 | FAILED | Virtual account already exists | | 2204 | FAILED | Virtual account has been lock | | 2205 | FAILED | Refund request for this collection transaction requires bank account information | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.neox.vn/docs/collections/integration/error-codes.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.