Pre-Apocalyptic Walls for Sanctuary by Sir_Awesomness, causes CTD due to a single file. I spent the better part of a day finding it. Here is the replacement for that dds file
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I had no idea that a incorrect texture could cause a CTD. When I narrowed my CTD to the texture files I rebuilt my game and added files until I found the culprit. A quick look at the posted discussions at the Pre-Apocalyptic site confirmed it. I'm uploading a replacer for the defective dds file so someone else doesn't go thru this.
Here's the original file http://www.nexusmods.com/fallout4/mods/1875/?