Just curious, not a huge deal but upon returning to Zion long after completion of the quests there, Ive lost most (about 85%) of map markers. I had them all when i last left the place, I was doing a completionist playthrough. Now they're mostly missing and Im slowly rediscovering them.

My install is modded so I cant exclude the possibility of a bug there, but I cant think of anything that woulda ffect Zion this way. Any obvious causes, or perhaps someone who had the same experience?

I dont especially mind as I intended to spend some more time there as Im playing with a raised level cap, and it's the best place to earn extra XP and Salient Green But I'm a little curious.