Can't progress tome 16 part 2

tigerfury

Platform: Steam

Description of problem :

I've got to the epilogue of tome 16 part 2 and it won't allow me to unlock part 3. I click on it and it does the animation but doesn't allow me to go any further, never had this issue before in any tome.

Steps to recreate:

Get to tome 16 part 2 epilogue on steam?

How often does this occur:

First time its ever happened