fallout 4 weird light bug

[BlackWolf24]

whats going on here tried to put prp lowest on the load order that didnt help if i take 2 steps foward the area loads again and if i go backwards it disappears.

[aurreth]

3 hours ago, BlackWolf24 said:

if i take 2 steps foward the area loads again and if i go backwards it disappears.

That usually indicates a broken precombine.  I've seen it caused by something as simple as removing one small box.  You (or the mod author) needs to load the mod into the Creation Kit and regenerate the precombines.