Data Viewer List Not Showing Items

Please can someone help me with this, it worked before but now isn’t working and is very anoying!
Any help will be apreciated!

Link To App:

@will_r.06 it might be because I’m looking at a clone of your project, but the local data source appears to be empty?

If this is the case then the Data Viewer won’t be able to show any images.

Sorry for some reason it shows on the copy that the column are blank but on the original they aren’t