Initially I was getting "Failed to list remote data folder in DropBox" on the iPhone. I followed the directions here (https://discussions.agilebits.com/discussion/49730/failed-to-list-remote-data-folder-in-dropbox) and when I tried to reset the iPhone to sync with the DropBox file (which is now renamed, although the older one is still there) I get "Error Listing Keychains 1Password encountered a problem." If I dismiss and chose "Connect Another Account" under "Sync with Dropbox", I get "The operation couldn't be completed. (com.1password.dropbox.sdk error 15.) 1Password encountered a problem. (the only option is "Dismiss").
So now I can't sync at all. Please help.
1Password Version: 6.7.2
Extension Version: 4.6.7
OS Version: 10.11.6
Sync Type: Dropbox