| 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 |