Pedia DLC issues

So this is very bizarre: recently I got all the DLC and was enjoying playing scenarios and reading corresponding scenario specific Pedias as I play. Then suddenly some scenarios' Pedias stopped working properly. Wonders of the Ancient World stand as an example, but so is Viking scenario and some others. Basically only Game Concept tab entries work. If you try to open Pedia info for Pottery even in Wonder's scenario -- game crashes to desktop. What can I do?

111 views and not a single comment? No one ever experienced this before?