Error Codes

The HiLens Framework returns error codes using enumeration types. If an error occurs when an API is called and an error code is returned, you can view the following enumeration types to obtain the error information:

**Table 1** Error codes
Error Code	Description
UNKNOWN_ERROR	Unknown error.
INIT_CURL_ERROR	CURL initialization error.
CREATE_DIR_FAILED	Failed to create folders.
OPENFILE_FAILED	Failed to open files.
RENAME_FAILED	Renaming failed.
ACCESS_FILE_FAILED	The file does not exist or you do not have the permission to access the file.
INVALID_BUF	Invalid buffer.
COULDNT_RESOLVE_HOST	Parsing failed. Check whether the network connection is normal.
WRITE_ERROR	Write error. Check whether you have the write permission on the downloaded directory and whether the space is sufficient.
TIMEOUT	Request timeout.
AUTH_FAILED	Incorrect authentication information. Check whether the AK, SK, and token are valid.
NOT_FOUND	The object does not exist.
SERVER_ERROR	Internal service error.
OBJECT_CONFLICT	Object conflict.
APPEND_FAILED	Appending failed (for example, appending to an object that cannot be appended).
HIAI_SEND_DATA_FAILED	HiAI engine fails to send data. Analyze the fault based on logs.
HIAI_INFER_ERROR	HiAI engine inference error. Analyze the fault based on logs. The possible cause is that the actual input size does not match the input size of the model.
INVALID_SRC_SIZE	During image processing, the src size does not meet the constraints.
INVALID_DST_SIZE	During image processing, the dst size does not meet the constraints.
MPP_PROCESS_FAILED	The MPP fails to process images.
WEBSOCKET_ERROR	WebSocket error.
CONFIG_FILE_ERROR	Incorrect configuration file.
INVALID_PARAM	Incorrect parameter.