Bug on quest Promotion: Captain

Hello, first of all sorry for my bad English, I use Google translate.
My problem is that I have 50 Assaults made and completed, I have all the missions of Aht Urgan also made (mast have to Nashmeira Trust), but when I have to do the quest to ascend to Captian the NPC Abquhbah not make me CS, just gives me the typical options to speak normally with him, Naja not say anything.

So please ask for help in this quest.

Edit: I checked the assaults quest and need complete 10 assaults on the start...sorry for fail post guys.