The [Apollo: ITN] Method is temporarily unavailable. I am hoping to release a new version, containing the necessary work-arounds, by Monday ...
In the meantime, Gold/Platinum-tier users should switch to the [Sabre: ITN] Method, or use the KVS Tool Online Companion for uninterrupted access.
Is this the same problem affecting geocities/farebuckets - do you expect that web site data base to be up and running soon?