Hello, as I said in my last post, I am Spanish and use Google Translate to talk to you, so I apologize for the spelling mistakes and inconsistencies.
My problem is that when I've been doing missions in the Strip, including to Gomorrah, I started with the mission of Cachin, I found the private diary and I gave it to the bosses. They killed Cachin and sent me to do some tasks for them, I can complete them and I talked to them, but seeing that I got off the Karma and the relationship with the strip, I loaded the game and left it before going to talk to bosses after completing the tasks. I have been doing missions for the NCR and I will help them. And they sent me to discover what happened in Gomorrah. But now, I can not do anything to help the NCR because I did not know previously that would impact on the main story. What I can do now to complete the mission and help the NCR? Thanks and regards.