"We're sorry, we aren't able to confirm space on these partner flights. Please try again and choose different flights, dates or cities"

The same message display when I try to book award ticket myself using Alaska website. I contact Alaska international partner desk and they could not book it for me either. I was told , Japan Airline does not update their award ticket release on their system, as a result, it still shows availability on AS website althought there is no award ticket availability at all .