I completed the previous requisites for this quest, such as completing "From Within,"
Spoiler:
convincing Dr. Li to leave the Institute and rejoin the Brotherhood , and talking to Elder Maxson, who then told me to speak with Ingram. This is the start of the quest, "Liberty Reprimed." However, Ingram is down by the double doors at the airport and only gives non-quest-related dialogue (three phrases that she repeats over and over). Also,
Spoiler:
Dr. Li is still in the Institute . The quest within the Data tab on my PipBoy is greyed out, and won't allow me to activate or "show on map." I would love to continue with the BOS, however this quest is needed to continue with them. As for the different quests, I have completed Minutemen up to "Underground Undercover," the Institute up to "Mankind-Redefined," and the Minutemen up to "Old Guns."