Recently I've been unable to query Fare Rules for Qatar Airways fares. Seems like any attempt to display fare rules for a QR fare gives an error such as: "Fare Rules Unavailable: Fare rules cannot be displayed. This may be due to multiple fares existing for fare basis RJTHP3RX". This used to work in the past, and viewing routings still works fine. What's going on?
Expertflyer.com Fare Rules error