It seems to be happening with all of my roulettes. I just ran Level 50/60 roulette and the same thing happened.

2/11/18 - 11:46 AM EST.

[11:43]The Last Supper is no longer sealed!
[11:43]You cannot carry any more Allagan tomestones of poetics.
[11:43]You cannot carry any more Allagan tomestones of poetics.
[11:43]You gain 698640 rogue experience points.
[11:43]A bonus of 698,640 experience points and 6,600 gil has been awarded for using the duty roulette.

I did not receive the bonus EXP even though it's listed in chat log.