Load other file in the same folder PIO SOLVER

Does anyone have any ideas as to why , sometimes when I am viewing a solve and I try to use the " load other file in the same folder " it will just open the " change displayed suits in the tree "

It doesn't seem to be happening often. I have a large subset of solves all saved in the same folder and its nice to use the load other file in the same folder option for the suit isomorphisms but every now and then it just doesn't wanna open that window, instead just keep opening the window to change the suits.