iCloud folder files missing on iPad
I have a link to my iCloud drive on my Windows 11 system. I have a folder on the drive with multiple files that show up, and can be accessed without problem, on my W11 system. However, when accessing the iCloud drive on my iPad using the files app, the folder appears but is empty; i.e. no files. I've noticed also that the directory on https://www.icloud.com/iclouddrive/ is also empty. This was working OK until about a week ago. I haven't installed any new app or upgraded IOS since then. Any thoughts about what I could have done to cause this?
iPad Air 3