# Validation Errors These are errors raised when your client passes on parameters or data that is invalid in some way or another. | Name | Code | Hex Code | Deprecated | Versions | Description | |------------------------------|------|----------|------------|----------|-------------------------------------------------------------------------------------------------------------| | InvalidUsername | 8448 | 0x02100 | No | 1.0 | The given username is invalid and does not meet the specification | | InvalidPassword | 8449 | 0x02101 | No | 1.0 | The given password is invalid and/or insecure and does not meet the specification | | InvalidFirstName | 8450 | 0x02102 | No | 1.0 | The First Name provided contains invalid characters and or is too long, see the message for further details | | InvalidLastName | 8451 | 0x02103 | No | 1.0 | The Last Name provided contains invalid characters and or is too long, see the message for further details | | InvalidBiography | 8452 | 0x02104 | No | 1.0 | The Biography is too long or contains invalid characters, see the message for further details | | UsernameAlreadyExists | 8453 | 0x02105 | No | 1.0 | The username is already registered in the network and cannot be used | | InvalidPeerInput | 8454 | 0x02106 | No | 1.0 | The client provided an invalid peer identification as input | | InvalidPostText | 8455 | 0x02107 | No | 1.0 | The post contains invalid characters or is too long, see the message for further details | | InvalidClientPublicHash | 8456 | 0x02108 | No | 1.0 | The client's public hash is invalid and cannot be identified as a sha256 | | InvalidClientPrivateHash | 8457 | 0x02109 | No | 1.0 | The client's private hash is invalid and cannot be identified as a sha256 | | InvalidPlatform | 8464 | 0x02110 | No | 1.0 | The platform name contains invalid characters or is too long, see the message for further details | | InvalidVersion | 8459 | 0x0210b | No | 1.0 | The version is invalid or is too long, see the message for further details | | InvalidClientName | 8460 | 0x0210c | No | 1.0 | The client name contains invalid characters or is too long, see the message for further details | | InvalidSessionIdentification | 8461 | 0x0210d | No | 1.0 | The session identification object is invalid, see the message for further details |