Checksum PUJD after 2nd startup. Fixed a few things with internal migration and added Tsar of all Slavs decision and event chain for Russia. The Balkans can be liberated in one war from the Ottoman Empire now.
Delete the entire "Victoria Universalis" folder in both "Program Files/Steam/steamapps/common/Victoria 2/mod" and "Documents/Paradox Interactive/Victoria II" directories before installing this file.
Do you have a discord or a github? Awesome mod by the way, last time I played it found a few problems, will try out a new playthrough.