I'm using version 1.1.16 and I have a problem on my localhost test site when entering the gallery folder. Actually, I don't enter it but it is saved as displayed, so I have to re-enter it.
I'm using XAMPP on Windows, so my paths have backslashes. I can enter the gallery folder as ../photos/ and it is found. But when I select my settings and save, it uses the displayed path of ..\photos and saves that, which means it is no good. It needs to not convert to backslashes and display what I entered previously.