| cannot find key field | 查询或者更新语句中缺少主键字段或者无法包含无法识别主键字段 |
| cannot find value field | 查询或者更新语句中包含无法识别Value字段名 |
| tcapsvr_fail_record_exist | 记录已存在（主键冲突了） |
| table("table_name")registration failed | 找不到指定名称的表格，表格可能未创建 |
| proxy_err_query_for_convert_tcaplus_req_to_index_server_req_failed | 没有为表格创建全局索引（分布式索引） |
| Record does not exist or has expired | 记录不存在或者已过期 |
| invalid syntax | 语法错误，如果使用过滤条件，参考表达式语法检查是否合法 |
| Failed to set time to live. The error code is [error code] and the error message is [Error message] | 设置记录的过期时间失败 |
| Failed to get time to live. The error code is [error code] and the error message is [Error message] | 获取记录的过期时间失败 |
| Failed to set time to live. The error code is [error code] and the error message is [Error message] | 设置记录的过期时间失败 |