PokerTracker

I have one problem, My opponents' hand counter returns to 0 and i dont know why, but all the notes that i wrote for them stays (sorry if my english is not the best). In the photo you can see what happens.

I tried tracking by id instead of by nick, but it happens the same

Are you using any HUD filters at all via 'HUD -> Edit HUD Options' that can filter your HUD stats based on player count, stack size and/or date?

Guide: HUD Options & Profiles (Filters)