Hi Mattia, Did you install MiniMagic Gem
http://api.rubyonrails.org/classes/ActiveStorage/Analyzer/ImageAnalyzer.html Frantz Augustin Founder @ Club Artizan clubartizan.com On Sun, Jun 10, 2018 at 11:23 AM, Mattia Antonini < mattia.antonini1...@gmail.com> wrote: > I've updated rails from 5.1.4 to 5.2 and remove Papaerclip to use Active > Storage. I'm using digitalocean spaces. In my development env I've setted > credentials in storage.yml to save images to digitalocean. > > I've added aws gem in gemfile. I run db:migrate for active storage. > > But when I'm going to submit the form with an image upload html tag, i > receive this error: Unable to autoload constant ActiveStorage::Blob:: > Analyzable. > > Anyone can help me? > > Thanks in advance. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To post to this group, send email to rubyonrails-talk@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/rubyonrails-talk/6c0c4919-81c4-4c08-b8b6- > 131ab76bf2f0%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAP19LVW1ddAAf5NN8dVwvUwba-S0EWao46DT_vDjhYXsO0Ou%3DQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.