Error code definitions
Error Code Definition
| Error Code | Description |
| 211100 | connection is interrupted |
| 211101 | Service unavailable |
| 211102 | Remote service error |
| 211103 | IP limit |
| 211104 | Permission denied, need a high level appkey |
| 211105 | Source paramter (appkey) is missing |
| 211106 | Unsupport mediatype (%s) |
| 211107 | Param error, see doc for more info |
| 211108 | Too many pending tasks, system is busy |
| 211109 | Job expired |
