Dyganth

I've got the same issue, I was wondering if it was because I picked the lock and stole the book from the Elder Archive instead of getting the key from her from this particular quest. Attaching save and output logs below. Save: https://www.dropbox.com/s/grbf5suv1o4qide/992f8725124d4744ba7118f5e7da955c%2010719462%20Copperlane.savegame?dl=0 Output: https://www.dropbox.com/s/vs0qktfxmuie0a5/output_log.txt?dl=0