Hi, I have just updated gem image_optim from 0.13.2 to 0.17 and now when I am uploading the image I am getting these errors
ImageOptim::BinResolver::Error: Bin resolving errors: pngquant worker: `pngquant` not found; please provide proper binary or disable this worker (--no-pngquant argument or `:pngquant => false` through options) jpegtran worker: `jpegrescan` not found; please provide proper binary or disable this worker (--no-jpegtran argument or `:jpegtran => false` through options) svgo worker: `svgo` not found; please provide proper binary or disable this worker (--no-svgo argument or `:svgo => false` through options) from /app/vendor/bundle/ruby/2.1.0/gems/image_optim-0.17.0/lib/image_optim/worker.rb:57:in `resolve_all!' from /app/vendor/bundle/ruby/2.1.0/gems/image_optim-0.17.0/lib/image_optim.rb:186:in `create_workers_by_format' from /app/vendor/bundle/ruby/2.1.0/gems/image_optim-0.17.0/lib/image_optim.rb:54:in `initialize' from /app/app/uploaders/base_uploader.rb:22:in `new' from /app/app/uploaders/base_uploader.rb:22:in `optimize' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/processing.rb:85:in `block in process!' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/processing.rb:81:in `each' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/processing.rb:81:in `process!' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave_backgrounder-0.4.0/lib/backgrounder/delay.rb:14:in `process!' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/callbacks.rb:18:in `block in with_callbacks' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/callbacks.rb:18:in `each' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/callbacks.rb:18:in `with_callbacks' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/cache.rb:122:in `cache!' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/uploader/download.rb:65:in `download!' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/mount.rb:353:in `remote_url=' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/mount.rb:203:in `remote_image_url=' from /app/vendor/bundle/ruby/2.1.0/gems/carrierwave-0.9.0/lib/carrierwave/orm/activerecord.rb:44:in `remote_image_url=' from (irb):3 from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.9/lib/rails/commands/console.rb:90:in `start' from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.9/lib/rails/commands/console.rb:9:in `start' from /app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.9/lib/rails/commands.rb:62:in `<top (required)>' from /app/bin/rails:20:in `require' from /app/bin/rails:20:in `<main>' Could you please help me out. -- -- You received this message because you are subscribed to the Google Groups "Heroku" group. To unsubscribe from this group, send email to heroku+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/heroku?hl=en_US?hl=en --- You received this message because you are subscribed to the Google Groups "Heroku Community" group. To unsubscribe from this group and stop receiving emails from it, send an email to heroku+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.