help pls

[deep pollen]

im playing Buak and i wanted to complet Anthe Grim 'mision' 'quest' and i gone to the light house after she gave me the light house key and i cant open the door i dont get any option on opening the door. if anyone can help me i will apreciate it

[unborn stratus]

@deep pollen have you tried to complete all the other quests first?