Had the same problem and then I downloaded the Dropbox App and it says, that there are to many devices linked to my Dropbox account. So I deleted some of them and tried to sync Diario with Dropbox again and it worked. Give if a try, maybe it will help!
Had the same problem and then I downloaded the Dropbox App and it says, that there are to many devices linked to my Dropbox account. So I deleted some of them and tried to sync Diario with Dropbox again and it worked. Give if a try, maybe it will help!