Trouble exporting photos from iPad to SanDisk drive

I am trying to export photos from my iPad to a SanDisk Dual Drive Go 512 GB device. After I select all the photos I want to export, when I go to SAVE, I get a screen with the photo number and “don’t have permission to view.” I tried looking for solutions on line and everything suggested is correct on the iPad. I am using an iPad Air running iOS 26.2.

I did this same thing with my iPhone and had no issues. iPhone 16 Pro running iOS 26.2.

Any help is appreciated.