"An End to Hunger" Quest (Kill Kitava) issue

I have killed Kitava (3 times) the quest style remain uncompleted.
Killed it solo, then 2 times in a party and style remain uncompleted.Everyone else got it completed but not me. Please fix it, i want my 2 passive points.

bug report number:3.331.550.586


Edit:Entering the Epilogue Area made the quest switch to completed... and I received the 2 points