The Felker Paradox was a type of paradox described in the article "Felker Paradoxes in Subspace", which appeared in the Proceedings of Stern Institute for Astrophysics.
Lieutenant Commander Data, while in command of the USS Sutherland, read the article on a viewscreen while searching for clues on how to detect cloaked Romulan warbirds during the Klingon Civil War in 2368. (TNG-R: "Redemption II")
This info was seen in graphics created for the remastered episode.
This paradox was named after Wade Felker, a film transfer specialist at CBS Digital.