Apacalypso achievement not unlocking!

Beat the game on regular. Have all achievements except for two at this point…Apocalypso and the achievement for having all achievements. Apocalypso is a secret achevo that pops for beating*****spoiler and is supposed to unlock automatically, however it didn’t. Now bc of that the achievement for getting all achievements will not pop until that pops. Did complete everything else. Any help or suggestions??? Thanks playing on Xbox one