I've tried it aswell. Now it's working. The solution was to restart the client 4 times, abandon the quest 2 times and now i can turn in. Thanks for the help btw.
Hello!
I've collected the requested quest items, but i can't turn in the quest. The quest givers ? is gray, like i'm not done with it. Here is my screenshot. https://kephost.com/image/E0gR Sry for my garbage english.
neproX