Dawnguard Fort fireplace error

[103Sakamoto]

I got a very strange bug...

When I enter the dawnguard fort, i noticed that the fireplace stright down to the end no longer cast lights and shadows.

Firstly I thought maybe this is mod conflicts, cause I get Skyrim project optimization, RLO, RDO, Ember HD, Palace and castles enhanced and than Legacy of the Dragonborn, and all of them affects dawnguard fort. But when I disabled all the plugins and checked in game, the fireplace still not casting lights and shadows.

I remember after installed PACE, ember HD and RLO, I especially went to Fort to see difference, at that time the fire place still normal.

Then I thought maybe because I made a dawnguard clean through sseedit recently, but I tested this using oldrim(which got no mods at all), whether cleaning or not, the fire place still cast lights and shadows.

Using console, I get the four fireplace's form ID, 0201148d 02011490 02011491 02011492. Checked inside sseedit, they were only overrided by emberHD and PACE, but only about location changes.

Another one 02001148f is a lighting form, which affected by RLO,but nothing special, RLO only affect the color, shadow casting and so on still same as original.

One thing strange is that I can not find them in the creation kit(the light, 0201148f could be found, but can not figure out anything wrong).

I dont know what to do, can someone help me?

Following picture which I shot in oldrim shows which fireplace I refer to

Edited March 20, 2018 by 103Sakamoto