Quest markers out of map borders. Why ?

[romalight]

Hello. So i add the mods, Nuka-world Reborn, Viva Nuka-world and Lima Detachment. After i add the mod Fourville and finally i can get to the vault, i think, let's go and play the Nuka-world Reborn mod. i open the Pip-Boy and the no explore markers are ..available.. to see, where they are, also at Nuka-world map. So i find 3 new markers no discover yet, 2 at south out of borders map -at black screen- and 1 north east close to original map borders.

i can't get close to the 2 south markers, even i use the mod, no borders.

So i ask, is there a reason a mod author make places out of map borders ?

 

At the past, i add a settlement close to Nakano place, from where we can travel to Far harbor. i don't use yet the mod, no borders. i go there and try to open the door. After that, the game crash because the settlement is out o map borders.

 

That's all. Thanks.