V14 Quest bug.

[Likon69]

Eastern Kingdoms, Eastern Plaguelands, Alliance, Humain.
https://www.wowhead.com/quest=27388/heroes-of-darrowshire quest.
Impossible to return it to the npc. While in the quest list it is complete.

 

[Likon69]

How do I finish this question?
Because I really need to do it

 

[Likon69]

Today I have succeeded in completing this quest. I'm sorry for a bad report. I don't understand