Below is an overview of the types of errors you can get back from the methods:
| Error Code | Error Message |
|---|---|
| 801 | Login Error (probably bad username/password combination) |
| 802 | No Such Blog |
| 803 | Not a Team Member |
| 804 | Cannot add Empty Items |
| 805 | Amount parameter must be in range 1..20 (getRecentItems) |
| 806 | No Such Item |
| 807 | Not Allowed to Alter Item |
| 808 | Invalid media type |
| 809 | File is too large (max. upload filesize) |
| 810 | Other error on newMediaObject (message will contain more info about what happened) |
| other codes < 100 | Errors encountered by the Useful Inc. XML-RPC implementation |
| other codes > 100 | Errors encountered by the XML parser |