Can't finish the Quest "Tactical Thinking"

[Deadpool0809]

I can't talk to Lancer-Captain Kells without telling him about Arcadia, but I don't want to. I had similar problems talking to him to get started with the quest, but then I talked to Proctor Ingram, who stood right next to him and she told me to talk to him first and then he changed the dialog, so I could start the quest. Now every member of the Railroad is dead, but I can't report it and continue with the main quest.
Has anyone an idea what i can do to finish the quest without reporting Arcadia first?

[Necron Monolith ₿]

https://fallout.fandom.com/wiki/Tactical_Thinking?so=search#Bugs

If one has installed the add-on Far Harbor and discovered Acadia, the player character is forced to tell Kells about Acadia before they can continue this quest. [verified]

One can skip the "Acadia report" by first reporting Kells about Acadia and response "Nothing else" and immediately pick Kells before reporting again: if it fails, try again until it works. [verified]

[Deadpool0809]

Originally posted by Cadaver Synod:

https://fallout.fandom.com/wiki/Tactical_Thinking?so=search#Bugs

If one has installed the add-on Far Harbor and discovered Acadia, the player character is forced to tell Kells about Acadia before they can continue this quest. [verified]

One can skip the "Acadia report" by first reporting Kells about Acadia and response "Nothing else" and immediately pick Kells before reporting again: if it fails, try again until it works. [verified]

thank you it worked.