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Error Codes
| Constant | Value | Description |
|---|---|---|
| VTCERR_OK | 0 | Success |
| VTCERR_INVALID_CONNECTION_INFO | -10000 | The corresponding handle does not exist or the connection information is corrupted. Disconnect and reconnect. |
| VTCERR_FAILED_TO_RESOLVE_ADDR | -10001 | Failed to find server. |
| VTCERR_FAILED_TO_CREATE_SOCKET | -10002 | Failed to create socket. |
| VTCERR_FAILED_TO_CONNECT | -10003 | Failed to connect. Check the server name, port number, network connectivity, and whether server is on line. |
| VTCERR_INVALID_API_CALL | -10004 | Failed to get the API entry. |
| VTCERR_INCOMPLETE_REQUEST | -10100 | Communications packet from client is invalid. |
| VTCERR_FAILED_TO_RECV_RESPONSE | -10101 | No response received from server. |
| VTCERR_INCOMPLETE_RESPONSE | -10102 | Communications packet from server is invalid. |
| VTCERR_RESPONSE_ARGS_UNMATCH | -10103 | Unexpected count of arguments in server response. |
| VTCERR_INVALID_ARGUMENT | -10104 | Invalid argument. |
| VTCERR_HANDLE_NOT_EXIST | -10105 | Connection handle does not exist. |
| VTCERR_INNER_JSON_CONVERT | -10106 | Cannot parse server response. |
| VTCERR_INNER_UTF8_CONVERT | -10107 | Cannot convert between UTF8 and Locale. |
| VTCERR_COL_FORMAT_ERROR | -10108 | Invalid or empty column name. |
| VTCERR_COL_VALUE_NO_MATCH | -10109 | Column names list and messages list do not have the same number of values. Check delimiters. |
| VTCERR_EVAL_STRING | -10110 | Error evaluating parameter value. |
| VTCERR_DATA_NOT_EXIST | -10111 | There is no data at the specified column and row. |
