I keep my games in the Database window and create a project+tree for each game. In the DB window/notation pane/Analysis, one clicks Send To to assign a game to a tree. Each game is "sent to" a different tree.
Lately, I have noticed that most games are reassigned by Aqr to the same tree xyz.aqt. I have to routinely change the assignment for most games in the DB windows.
Could there be a parameter in one of the configuration files that is causing this glitch?