Editing API ErrorCodes

{{Sidebar}}__NOTOC__
<h1> API error codes </h1>

{| class="tablehexonet-striped"
|-
! error code
! error category
|-
| 2xx
| successful command
|-
| 4xx
| temporary errors (client should try again)
|-
| 5xx
| permanent errors
|}

<h2>error code list</h2>

* 200 - Command completed successfully
* 210 - Domain name available
* 211 - Domain name not available
* 212 - Name server available
* 213 - Name server not available
* 214 - Contact available
* 215 - Contact not available
* 216 - Object available
* 217 - Object not available
* 218 - Request is available
* 219 - Request is not available
* 220 - Command completed successfully. Server closing connection
* 420 - Command failed due to server error. Server closing connection
* 421 - Command failed due to server error. Client should try again
* 423 - Command failed due to server error. Client should try again (Could not get session)
* 425 - Service temporarily locked; usage exceeded
* 500 - Invalid command name
* 501 - Invalid command option
* 502 - Invalid entity value
* 503 - Invalid attribute name
* 504 - Missing required attribute
* 505 - Invalid attribute value syntax
* 506 - Invalid option value
* 507 - Invalid command format
* 508 - Missing required entity
* 509 - Missing command option
* 510 - Command not supported for this class
* 520 - Server closing connection. Client should try opening new connection
* 521 - Too many sessions open. Server closing connection
* 530 - Authentication failed
* 531 - Authorization failed
* 532 - Domain names linked with name server
* 533 - Domain name has active name servers
* 534 - Object has not been flagged for transfer
* 535 - Restricted IP address
* 536 - Object already flagged for transfer
* 540 - Attribute value is not unique
* 541 - Invalid attribute value
* 542 - Invalid old value for an attribute
* 543 - Final or implicit attribute cannot be updated
* 544 - Entity on hold
* 545 - Object not found
* 546 - Credit limit exceeded
* 547 - Invalid command sequence
* 548 - Object is not up for renewal
* 549 - Command failed
* 550 - Parent object not registered
* 551 - Parent object status does not allow for operation
* 552 - Object status does not allow for operation
* 553 - Operation not allowed. Object pending transfer
* 554 - Object already registered
* 555 - Object already renewed
* 556 - Maximum registration period exceeded