pc The SPECIAL point must be added. If you have them maxed out, then you will not be able to continue. [verified]
FIX: PC users can use the console command "cam" that will just close the menu and you'll be able to continue.
FIX: If you have the DLC Old World Blues, you can transportalponder! back to Big MT and then back with getting the perks. Can only be done if missile has been fired at someone, however, Dry Wells and The Long 15 will not be accessible.