Direct X Error

[RaGiNgMaNiacX]

Hello,
I've been playing, and using, the Edain mod as of late within my game. However, I've recently been encountering a frustrating error mid-game regarding Direct X. The error can pop up and close the game time at any point, however it occurs quicker when playing as Ered Luin. I'm getting very annoyed when playing because I am loving the content of the mod very much and enjoy using it. Is this issue easily resolved? Any information would be greatly appreciated. I'm not sure why the error pops up but it's really quite annoying and disrupts my game.

Thank you for your time,

RaGiNg MaNiac X