As a solution (1 or 2 any of them working):
1. you can remove /Data/WotGameVersion-#0001.xml and then rename /Data/WotGameVersion-#0408.xml to /Data/WotGameVersion-#0001.xml
2. Copy /Data/WotGameVersion-#0408.xml to /Data/WotGameVersion-#0050.xml (new file)