# Error Codes | Code | Description | | ---- | ---------------------------------------------------------------------------------------------- | | 0 | Recognition success | | 1001 | No recognition result | | 2000 | Recording error (device may not have permission) | | 2004 | Unable to generate fingerprint | | 3000 | Recognition service Error (HTTP error, check your network or wrong host in configuration fileļ¼‰ | | 3001 | Wrong Access Key | | 3002 | Invalid Http Request | | 3003 | Request count limit exceeded, please upgrade your account | | 3006 | Invalid arguments | | 3010 | Recognition service error | | 3014 | Invalid signature | | 3015 | QpS limit exceeded, please upgrade your account | --- # 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.acrcloud.com/sdk-reference/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.