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This SDK only works with devices released within the past 3 years. We regularly optimize and update the SDK to ensure compatibility and performance. We do not guarantee compatibility or provide technical support for devices older than 3 years.

# NET_SDK_ERROR

### Enum Definition

C++C#

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    typedef enum
    {
        NET_SDK_SUCCESS,
        NET_SDK_PASSWORD_ERROR,
        NET_SDK_NOENOUGH_AUTH,
        NET_SDK_NOINIT,
        NET_SDK_CHANNEL_ERROR,
        NET_SDK_OVER_MAXLINK,
        NET_SDK_LOGIN_REFUSED,
        NET_SDK_VERSION_NOMATCH,
        NET_SDK_NETWORK_FAIL_CONNECT,
        NET_SDK_NETWORK_NOT_CONNECT,
        NET_SDK_NETWORK_SEND_ERROR,
        NET_SDK_NETWORK_RECV_ERROR,
        NET_SDK_NETWORK_RECV_TIMEOUT,
        NET_SDK_NETWORK_ERRORDATA,
        NET_SDK_ORDER_ERROR,
        NET_SDK_OPER_BY_OTHER,
        NET_SDK_OPER_NOPERMIT,
        NET_SDK_COMMAND_TIMEOUT,
        NET_SDK_ERROR_SERIALPORT,
        NET_SDK_ERROR_ALARMPORT,
        NET_SDK_PARAMETER_ERROR,
        NET_SDK_CHAN_EXCEPTION,
        NET_SDK_NODISK,
        NET_SDK_ERROR_DISKNUM,
        NET_SDK_DISK_FULL,
        NET_SDK_DISK_ERROR,
        NET_SDK_NOSUPPORT,
        NET_SDK_BUSY,
        NET_SDK_MODIFY_FAIL,
        NET_SDK_PASSWORD_FORMAT_ERROR,
        NET_SDK_DISK_FORMATING,
        NET_SDK_DVR_NORESOURCE,
        NET_SDK_DVR_OPRATE_FAILED,
        NET_SDK_OPEN_HOSTSOUND_FAIL,
        NET_SDK_DVR_VOICEOPENED,
        NET_SDK_TIME_INPUTERROR,
        NET_SDK_NOSPECFILE,
        NET_SDK_CREATEFILE_ERROR,
        NET_SDK_FILEOPENFAIL,
        NET_SDK_OPERNOTFINISH,
        NET_SDK_GETPLAYTIMEFAIL,
        NET_SDK_PLAYFAIL,
        NET_SDK_FILEFORMAT_ERROR,
        NET_SDK_DIR_ERROR,
        NET_SDK_ALLOC_RESOURCE_ERROR,
        NET_SDK_AUDIO_MODE_ERROR,
        NET_SDK_NOENOUGH_BUF,
        NET_SDK_CREATESOCKET_ERROR,
        NET_SDK_SETSOCKET_ERROR,
        NET_SDK_MAX_NUM,
        NET_SDK_USERNOTEXIST,
        NET_SDK_WRITEFLASHERROR,
        NET_SDK_UPGRADEFAIL,
        NET_SDK_CARDHAVEINIT,
        NET_SDK_PLAYERFAILED,
        NET_SDK_MAX_USERNUM,
        NET_SDK_GETLOCALIPANDMACFAIL,
        NET_SDK_NOENCODEING,
        NET_SDK_IPMISMATCH,
        NET_SDK_MACMISMATCH,
        NET_SDK_UPGRADELANGMISMATCH,
        NET_SDK_MAX_PLAYERPORT,
        NET_SDK_NOSPACEBACKUP,
        NET_SDK_NODEVICEBACKUP,
        NET_SDK_PICTURE_BITS_ERROR,
        NET_SDK_PICTURE_DIMENSION_ERROR,
        NET_SDK_PICTURE_SIZ_ERROR,
        NET_SDK_LOADPLAYERSDKFAILED,
        NET_SDK_LOADPLAYERSDKPROC_ERROR,
        NET_SDK_LOADDSSDKFAILED,
        NET_SDK_LOADDSSDKPROC_ERROR,
        NET_SDK_DSSDK_ERROR,
        NET_SDK_VOICEMONOPOLIZE,
        NET_SDK_JOINMULTICASTFAILED,
        NET_SDK_CREATEDIR_ERROR,
        NET_SDK_BINDSOCKET_ERROR,
        NET_SDK_SOCKETCLOSE_ERROR,
        NET_SDK_USERID_ISUSING,
        NET_SDK_PROGRAM_EXCEPTION,
        NET_SDK_WRITEFILE_FAILED,
        NET_SDK_FORMAT_READONLY,
        NET_SDK_WITHSAMEUSERNAME,
        NET_SDK_DEVICETYPE_ERROR,
        NET_SDK_LANGUAGE_ERROR,
        NET_SDK_PARAVERSION_ERROR,
        NET_SDK_FILE_SUCCESS,
        NET_SDK_FILE_NOFIND,
        NET_SDK_NOMOREFILE,
        NET_SDK_FILE_EXCEPTION,
        NET_SDK_TRY_LATER,
        NET_SDK_DEVICE_OFFLINE,
        NET_SDK_CREATEJPEGSTREAM_FAIL,
        NET_SDK_USER_ERROR_NO_USER,
        NET_SDK_USER_ERROR_USER_OR_PASSWORD_IS_NULL,
        NET_SDK_USER_ERROR_ALREDAY_LOGIN,
        NET_SDK_USER_ERROR_SYSTEM_BUSY,
        NET_SDK_DEVICE_NOT_SUPPROT,
        NET_SDK_USER_ERROR_SYSTEM_NO_READY,
        NET_SDK_CHANNEL_OFFLINE,
        NET_SDK_GETREADYINFO_FAIL,
        NET_SDK_NORESOURCE,
        NET_SDK_DEVICE_QUERYSYSTEMCAPS_FAIL,
        NET_SDK_INBUFFER_TOSMALL,
        NET_SDK_NO_PASSWORD_STRENGTH,
        NET_SDK_FILE_NOT_MATCH_PRODUCT,
        NET_SDK_FACE_PICTURE_INCONFORMITY = 107,
        NET_SDK_FACE_ITEM_OVER_LIMIT,
        NET_SDK_FACE_PICTURE_FORMAT_UNSUPPORTED,
        NET_SDK_FACE_PICTURE_DATA_INCORRECT,
        NET_SDK_FACE_EXPORT_FAIL,
        NET_SDK_FACE_IMPORT_FAIL,
        NET_SDK_FACE_VERIFY_FAIL,
        NET_SDK_FACE_PICTURE_TOO_LARGE,
        NET_SDK_FACE_UPDATE_FEATURE_FAIL,
        NET_SDK_FACE_ADD_FEATURE_FAIL,
        NET_SDK_FACE_SEND_PICTURE_FAIL,
        NET_SDK_FACE_SAVE_PICTURE_FAIL,
        NET_SDK_FACE_SAVE_INFO_FAIL,
        NET_SDK_FACE_SAVE_FEATURE_FAIL,
        NET_SDK_FACE_EXIST,
        NET_SDK_FACE_UNKNOWN_OPERATE_ERROR,
        NET_SDK_FACE_NOT_UPLOAD,
    } NET_SDK_ERROR;

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    public enum NET_SDK_ERROR
    {
        NET_SDK_SUCCESS,
        NET_SDK_PASSWORD_ERROR,
        NET_SDK_NOENOUGH_AUTH,
        NET_SDK_NOINIT,
        NET_SDK_CHANNEL_ERROR,
        NET_SDK_OVER_MAXLINK,
        NET_SDK_LOGIN_REFUSED,
        NET_SDK_VERSION_NOMATCH,
        NET_SDK_NETWORK_FAIL_CONNECT,
        NET_SDK_NETWORK_NOT_CONNECT,
        NET_SDK_NETWORK_SEND_ERROR,
        NET_SDK_NETWORK_RECV_ERROR,
        NET_SDK_NETWORK_RECV_TIMEOUT,
        NET_SDK_NETWORK_ERRORDATA,
        NET_SDK_ORDER_ERROR,
        NET_SDK_OPER_BY_OTHER,
        NET_SDK_OPER_NOPERMIT,
        NET_SDK_COMMAND_TIMEOUT,
        NET_SDK_ERROR_SERIALPORT,
        NET_SDK_ERROR_ALARMPORT,
        NET_SDK_PARAMETER_ERROR,
        NET_SDK_CHAN_EXCEPTION,
        NET_SDK_NODISK,
        NET_SDK_ERROR_DISKNUM,
        NET_SDK_DISK_FULL,
        NET_SDK_DISK_ERROR,
        NET_SDK_NOSUPPORT,
        NET_SDK_BUSY,
        NET_SDK_MODIFY_FAIL,
        NET_SDK_PASSWORD_FORMAT_ERROR,
        NET_SDK_DISK_FORMATING,
        NET_SDK_DVR_NORESOURCE,
        NET_SDK_DVR_OPRATE_FAILED,
        NET_SDK_OPEN_HOSTSOUND_FAIL,
        NET_SDK_DVR_VOICEOPENED,
        NET_SDK_TIME_INPUTERROR,
        NET_SDK_NOSPECFILE,
        NET_SDK_CREATEFILE_ERROR,
        NET_SDK_FILEOPENFAIL,
        NET_SDK_OPERNOTFINISH,
        NET_SDK_GETPLAYTIMEFAIL,
        NET_SDK_PLAYFAIL,
        NET_SDK_FILEFORMAT_ERROR,
        NET_SDK_DIR_ERROR,
        NET_SDK_ALLOC_RESOURCE_ERROR,
        NET_SDK_AUDIO_MODE_ERROR,
        NET_SDK_NOENOUGH_BUF,
        NET_SDK_CREATESOCKET_ERROR,
        NET_SDK_SETSOCKET_ERROR,
        NET_SDK_MAX_NUM,
        NET_SDK_USERNOTEXIST,
        NET_SDK_WRITEFLASHERROR,
        NET_SDK_UPGRADEFAIL,
        NET_SDK_CARDHAVEINIT,
        NET_SDK_PLAYERFAILED,
        NET_SDK_MAX_USERNUM,
        NET_SDK_GETLOCALIPANDMACFAIL,
        NET_SDK_NOENCODEING,
        NET_SDK_IPMISMATCH,
        NET_SDK_MACMISMATCH,
        NET_SDK_UPGRADELANGMISMATCH,
        NET_SDK_MAX_PLAYERPORT,
        NET_SDK_NOSPACEBACKUP,
        NET_SDK_NODEVICEBACKUP,
        NET_SDK_PICTURE_BITS_ERROR,
        NET_SDK_PICTURE_DIMENSION_ERROR,
        NET_SDK_PICTURE_SIZ_ERROR,
        NET_SDK_LOADPLAYERSDKFAILED,
        NET_SDK_LOADPLAYERSDKPROC_ERROR,
        NET_SDK_LOADDSSDKFAILED,
        NET_SDK_LOADDSSDKPROC_ERROR,
        NET_SDK_DSSDK_ERROR,
        NET_SDK_VOICEMONOPOLIZE,
        NET_SDK_JOINMULTICASTFAILED,
        NET_SDK_CREATEDIR_ERROR,
        NET_SDK_BINDSOCKET_ERROR,
        NET_SDK_SOCKETCLOSE_ERROR,
        NET_SDK_USERID_ISUSING,
        NET_SDK_PROGRAM_EXCEPTION,
        NET_SDK_WRITEFILE_FAILED,
        NET_SDK_FORMAT_READONLY,
        NET_SDK_WITHSAMEUSERNAME,
        NET_SDK_DEVICETYPE_ERROR,
        NET_SDK_LANGUAGE_ERROR,
        NET_SDK_PARAVERSION_ERROR,
        NET_SDK_FILE_SUCCESS,
        NET_SDK_FILE_NOFIND,
        NET_SDK_NOMOREFILE,
        NET_SDK_FILE_EXCEPTION,
        NET_SDK_TRY_LATER,
        NET_SDK_DEVICE_OFFLINE,
        NET_SDK_CREATEJPEGSTREAM_FAIL,
        NET_SDK_USER_ERROR_NO_USER,
        NET_SDK_USER_ERROR_USER_OR_PASSWORD_IS_NULL,
        NET_SDK_USER_ERROR_ALREDAY_LOGIN,
        NET_SDK_USER_ERROR_SYSTEM_BUSY,
        NET_SDK_DEVICE_NOT_SUPPROT,
        NET_SDK_USER_ERROR_SYSTEM_NO_READY,
        NET_SDK_CHANNEL_OFFLINE,
        NET_SDK_GETREADYINFO_FAIL,
        NET_SDK_NORESOURCE,
        NET_SDK_DEVICE_QUERYSYSTEMCAPS_FAIL,
        NET_SDK_INBUFFER_TOSMALL,
        NET_SDK_NO_PASSWORD_STRENGTH,
        NET_SDK_FILE_NOT_MATCH_PRODUCT,
        NET_SDK_FACE_PICTURE_INCONFORMITY = 107,
        NET_SDK_FACE_ITEM_OVER_LIMIT,
        NET_SDK_FACE_PICTURE_FORMAT_UNSUPPORTED,
        NET_SDK_FACE_PICTURE_DATA_INCORRECT,
        NET_SDK_FACE_EXPORT_FAIL,
        NET_SDK_FACE_IMPORT_FAIL,
        NET_SDK_FACE_VERIFY_FAIL,
        NET_SDK_FACE_PICTURE_TOO_LARGE,
        NET_SDK_FACE_UPDATE_FEATURE_FAIL,
        NET_SDK_FACE_ADD_FEATURE_FAIL,
        NET_SDK_FACE_SEND_PICTURE_FAIL,
        NET_SDK_FACE_SAVE_PICTURE_FAIL,
        NET_SDK_FACE_SAVE_INFO_FAIL,
        NET_SDK_FACE_SAVE_FEATURE_FAIL,
        NET_SDK_FACE_EXIST,
        NET_SDK_FACE_UNKNOWN_OPERATE_ERROR,
        NET_SDK_FACE_NOT_UPLOAD,
    }

### Function Description

Error Code

### Member Description

Enum name | Value | Remark
--- | --- | ---
NET_SDK_SUCCESS | 0 | No Error
NET_SDK_PASSWORD_ERROR | 1 | Wrong username or password
NET_SDK_NOENOUGH_AUTH | 2 | Insufficient permissions
NET_SDK_NOINIT | 3 | Not initialized
NET_SDK_CHANNEL_ERROR | 4 | Channel number error
NET_SDK_OVER_MAXLINK | 5 | The number of clients connected to the device exceeds the maximum
NET_SDK_LOGIN_REFUSED | 6 | SDK login denied
NET_SDK_VERSION_NOMATCH | 7 | SDK version mismatch
NET_SDK_NETWORK_FAIL_CONNECT | 8 | Linked server failed
NET_SDK_NETWORK_NOT_CONNECT | 9 | Server not connected
NET_SDK_NETWORK_SEND_ERROR | 10 | Failed to send to server
NET_SDK_NETWORK_RECV_ERROR | 11 | Failed to receive data from the server
NET_SDK_NETWORK_RECV_TIMEOUT | 12 | Timeout in receiving data from server
NET_SDK_NETWORK_ERRORDATA | 13 | The transmitted data is incorrect
NET_SDK_ORDER_ERROR | 14 | Wrong calling order
NET_SDK_OPER_BY_OTHER | 15 | Wrong operation method
NET_SDK_OPER_NOPERMIT | 16 | No such permission
NET_SDK_COMMAND_TIMEOUT | 17 | Command execution timeout
NET_SDK_ERROR_SERIALPORT | 18 | Serial port number error
NET_SDK_ERROR_ALARMPORT | 19 | Alarm port error
NET_SDK_PARAMETER_ERROR | 20 | Parameter error
NET_SDK_CHAN_EXCEPTION | 21 | Server channel is in error state
NET_SDK_NODISK | 22 | No hard drive
NET_SDK_ERROR_DISKNUM | 23 | Wrong hard disk number
NET_SDK_DISK_FULL | 24 | The server hard disk is full
NET_SDK_DISK_ERROR | 25 | Server hard disk error
NET_SDK_NOSUPPORT | 26 | Server does not support
NET_SDK_BUSY | 27 | Server Busy
NET_SDK_MODIFY_FAIL | 28 | Server modification failed
NET_SDK_PASSWORD_FORMAT_ERROR | 29 | The password format is incorrect
NET_SDK_DISK_FORMATING | 30 | The hard disk is being formatted and the operation cannot be started.
NET_SDK_DVR_NORESOURCE | 31 | Insufficient device resources
NET_SDK_DVR_OPRATE_FAILED | 32 | Operation failed
NET_SDK_OPEN_HOSTSOUND_FAIL | 33 | Failed to turn on PC sound
NET_SDK_DVR_VOICEOPENED | 34 | The server voice intercom is occupied
NET_SDK_TIME_INPUTERROR | 35 | Time input error
NET_SDK_NOSPECFILE | 36 | The server does not have the specified file during playback
NET_SDK_CREATEFILE_ERROR | 37 | Error creating file
NET_SDK_FILEOPENFAIL | 38 | Failed to open file
NET_SDK_OPERNOTFINISH | 39 | The last operation has not been completed
NET_SDK_GETPLAYTIMEFAIL | 40 | Error in getting the current playback time
NET_SDK_PLAYFAIL | 41 | Playback error
NET_SDK_FILEFORMAT_ERROR | 42 | Wrong file format
NET_SDK_DIR_ERROR | 43 | Path Error
NET_SDK_ALLOC_RESOURCE_ERROR | 44 | Resource allocation error
NET_SDK_AUDIO_MODE_ERROR | 45 | Wrong audio mode
NET_SDK_NOENOUGH_BUF | 46 | Buffer too small
NET_SDK_CREATESOCKET_ERROR | 47 | Error creating socket
NET_SDK_SETSOCKET_ERROR | 48 | Error in setting socket
NET_SDK_MAX_NUM | 49 | The number reaches the maximum
NET_SDK_USERNOTEXIST | 50 | User does not exist
NET_SDK_WRITEFLASHERROR | 51 | Error writing to flash
NET_SDK_UPGRADEFAIL | 52 | Upgrade Failed
NET_SDK_CARDHAVEINIT | 53 | The decoding card has been initialized
NET_SDK_PLAYERFAILED | 54 | Failed to call a function in the playback library
NET_SDK_MAX_USERNUM | 55 | The number of device users has reached the maximum
NET_SDK_GETLOCALIPANDMACFAIL | 56 | Failed to obtain the client's IP address or physical address
NET_SDK_NOENCODEING | 57 | This channel has no encoding
NET_SDK_IPMISMATCH | 58 | IP address mismatch
NET_SDK_MACMISMATCH | 59 | Physical address mismatch
NET_SDK_UPGRADELANGMISMATCH | 60 | The upgrade file language does not match
NET_SDK_MAX_PLAYERPORT | 61 | The number of player channels has reached the maximum
NET_SDK_NOSPACEBACKUP | 62 | There is not enough space on the backup device for the backup
NET_SDK_NODEVICEBACKUP | 63 | The specified backup device was not found
NET_SDK_PICTURE_BITS_ERROR | 64 | The number of pixels in the image does not match, limited to 24 colors
NET_SDK_PICTURE_DIMENSION_ERROR | 65 | Image heightwidth exceeds the limit, limited to 128256
NET_SDK_PICTURE_SIZ_ERROR | 66 | Image size exceeds the limit, limited to 100K
NET_SDK_LOADPLAYERSDKFAILED | 67 | Error loading Player SDK in current directory
NET_SDK_LOADPLAYERSDKPROC_ERROR | 68 | Cannot find a function entry in Player SDK
NET_SDK_LOADDSSDKFAILED | 69 | Error loading DS SDK in current directory
NET_SDK_LOADDSSDKPROC_ERROR | 70 | Cannot find a function entry in DS SDK
NET_SDK_DSSDK_ERROR | 71 | Failed to call a function in the hard decoding library DS SDK
NET_SDK_VOICEMONOPOLIZE | 72 | Sound card is occupied
NET_SDK_JOINMULTICASTFAILED | 73 | Failed to join the multicast group
NET_SDK_CREATEDIR_ERROR | 74 | Failed to create log file directory
NET_SDK_BINDSOCKET_ERROR | 75 | Failed to bind socket
NET_SDK_SOCKETCLOSE_ERROR | 76 | The socket connection is disconnected. This error is usually caused by a disconnection or an unreachable destination.
NET_SDK_USERID_ISUSING | 77 | The user ID is performing an operation when logging out
NET_SDK_PROGRAM_EXCEPTION | 78 | Program exception
NET_SDK_WRITEFILE_FAILED | 79 | Failed to write file
NET_SDK_FORMAT_READONLY | 80 | Disable formatting of read-only hard disks
NET_SDK_WITHSAMEUSERNAME | 81 | The same username exists in the user configuration structure
NET_SDK_DEVICETYPE_ERROR | 82 | The device model does not match when importing parameters
NET_SDK_LANGUAGE_ERROR | 83 | Language mismatch when importing parameters
NET_SDK_PARAVERSION_ERROR | 84 | Software version does not match when importing parameters
NET_SDK_FILE_SUCCESS | 85 | The file has been created successfully
NET_SDK_FILE_NOFIND | 86 | The file could not be found
NET_SDK_NOMOREFILE | 87 | No more related files
NET_SDK_FILE_EXCEPTION | 88 | File anomaly
NET_SDK_TRY_LATER | 89 | Try it later
NET_SDK_DEVICE_OFFLINE | 90 | Equipment offline
NET_SDK_CREATEJPEGSTREAM_FAIL | 91 | Failed to create JPEG stream
NET_SDK_USER_ERROR_NO_USER | 92 | User does not exist
NET_SDK_USER_ERROR_USER_OR_PASSWORD_IS_NULL | 93 | Enter the username or password is empty
NET_SDK_USER_ERROR_ALREDAY_LOGIN | 94 | User logged in
NET_SDK_USER_ERROR_SYSTEM_BUSY | 95 | Device is busy
NET_SDK_DEVICE_NOT_SUPPROT | 96 | DEVICE not supported
NET_SDK_USER_ERROR_SYSTEM_NO_READY | 97 | N9K device is not ready yet. I just logged in to get the preset point cruise line list but it has not been successful.
NET_SDK_CHANNEL_OFFLINE | 98 | The channel is offline when previewing the N9K device
NET_SDK_GETREADYINFO_FAIL | 99 | Failed to obtain N9K capability set
NET_SDK_NORESOURCE | 100 | Insufficient SDK resources
NET_SDK_DEVICE_QUERYSYSTEMCAPS_FAIL | 101 | Failed to query system configuration information
NET_SDK_INBUFFER_TOSMALL | 102 | Insufficient input BUF
NET_SDK_NO_PASSWORD_STRENGTH | 103 | Wrong password strength
NET_SDK_FILE_NOT_MATCH_PRODUCT | 104 | The product model does not match the upgrade file
NET_SDK_FACE_PICTURE_INCONFORMITY | 107 | Image does not meet the requirements
NET_SDK_FACE_ITEM_OVER_LIMIT | 108 | The staff pool has reached its limit
NET_SDK_FACE_PICTURE_FORMAT_UNSUPPORTED | 109 | Image format not supported
NET_SDK_FACE_PICTURE_DATA_INCORRECT | 110 | Incorrect image data
NET_SDK_FACE_EXPORT_FAIL | 111 | Export failed
NET_SDK_FACE_IMPORT_FAIL | 112 | Import failed
NET_SDK_FACE_VERIFY_FAIL | 113 | Authentication failed
NET_SDK_FACE_PICTURE_TOO_LARGE | 114 | Image size exceeds limit
NET_SDK_FACE_UPDATE_FEATURE_FAIL | 115 | Failed to update the signature database record
NET_SDK_FACE_ADD_FEATURE_FAIL | 116 | Failed to add feature library record
NET_SDK_FACE_SEND_PICTURE_FAIL | 117 | Failed to extract features from sent images
NET_SDK_FACE_SAVE_PICTURE_FAIL | 118 | Failed to save basemap
NET_SDK_FACE_SAVE_INFO_FAIL | 119 | Failed to save personnel information
NET_SDK_FACE_SAVE_FEATURE_FAIL | 120 | Failed to save person characteristics
NET_SDK_FACE_EXIST | 121 | The same face already exists
NET_SDK_FACE_UNKNOWN_OPERATE_ERROR | 122 | Unknown feature library operation error
NET_SDK_FACE_NOT_UPLOAD | 123 | Face not uploaded

Error Code