Originally Posted by
Keter
Possible reasons for an error:
a) there are two different YY/YIF fares with different global indicators (FE and EH), different prices and difference mileage allowance (MPM)
b) KVS is not able to specify the GI in the request and obtains something with default settings
Correct, there are 2 different YIF fares one with an FE GI and the other with an EH GI. ExpertFlyer apparently now shows the GI when you look at a fares routing or fare rules.