Photos Not Loading?

This has been an issue during my entire time with Rover (almost 3 years, now I think). I go to edit my photos and only have maybe 40 show up. There ARE definitely more and I would love to caption them, move them, or remove them but it does not allow me, as it refuses to load them. Same thing happens on my phone. Does anyone else have this issue? If so, is there something that I can do to make them load? Thanks, guys.