I'm unable to upload photos due to "Album Error: User denied access - (null) is fixed by doing the following.
Instructions for iPad Users
1. Acknowledging you in fact have denied Open Home Pro™ access to your photos with this alert appearing
2. Go into settings on your iPad (the icon looks like a bunch of gears). Then select "Privacy" and then "Photos". Make sure the the button is set to green for Open Home Pro™. Then go back to the app and try to upload photos again.
3. Slide "Off" to "On" under Open Home Pro® in location services