Unfortunately there is an issue with the PokerTracker 4.15.24 release if you have a Small Stakes license. It is being investigated so in the meantime can anybody affected please revert to PokerTracker v4.15.23 . Ok done. It works with v4.15.23. https://www.ptrackupdate.com/releases/PT-Install-v4.15...

I think i have the same error since last update (4.15.24)
All tabs using my datas are KO.