Editing SimTX API/Limits and errors (section)

== Error codes ==
The same [[SimTX API/Data types#ErrorCode|ErrorCode]] is used by Error and by SessionStatus.

{| class="wikitable"
! Value !! Code !! Meaning !! Retry the same request?
|-
| 0 || <code>ERROR_CODE_UNSPECIFIED</code> || No specific code, for example an <code>ENDED</code> session that simply ended. Unknown codes are treated the same way. || Depends on the reason
|-
| 1 || <code>ERROR_CODE_INVALID_REQUEST</code> || Malformed or out-of-range request, or a frame not allowed in this session. || No; fix the request
|-
| 2 || <code>ERROR_CODE_UNAUTHENTICATED</code> || Needs an account or a valid ticket. || After signing in
|-
| 3 || <code>ERROR_CODE_FORBIDDEN</code> || Not allowed, or the ticket's station binding does not match. || No
|-
| 4 || <code>ERROR_CODE_NOT_FOUND</code> || Unknown station, satellite, session or catalog entry. || No
|-
| 5 || <code>ERROR_CODE_LIMIT_REACHED</code> || Server, address, account or station capacity. || Later
|-
| 6 || <code>ERROR_CODE_RATE_LIMITED</code> || Too many requests. || Later, more slowly
|-
| 7 || <code>ERROR_CODE_UNAVAILABLE</code> || A transient condition: disabled, busy or not reachable. || Yes, with backoff
|-
| 8 || <code>ERROR_CODE_STATION_INACTIVE</code> || The station is deleted or deorbited, or the satellite has reentered. || No
|-
| 9 || <code>ERROR_CODE_STATION_REQUIRED</code> || Ad-hoc transmitter refused; bind one of your stations. || No
|-
| 10 || <code>ERROR_CODE_INTERNAL</code> || Server fault. || Yes, with backoff
|-
| 11 || <code>ERROR_CODE_CANCELLED</code> || Superseded by a newer request of the same kind (coverage maps). || No; the newer request is answered
|}

The <code>message</code> or <code>reason</code> is human-readable English. Show it to the user, but branch on the code; wording may change.