#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:101:in `run_command'
#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:58:in `initialize'
#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:40:in `new'
#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:40:in `from_blob'
#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:46:in `from_file'
#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:45:in `open'
#{RAILS_ROOT}/vendor/plugins/mini_magick/lib/mini_magick.rb:45:in `from_file'
#{RAILS_ROOT}/app/models/asset.rb:51:in `resize_thumbnail'
#{RAILS_ROOT}/app/models/asset.rb:44:in `file_field='
#{RAILS_ROOT}/app/controllers/assets_controller.rb:6:in `new'
#{RAILS_ROOT}/app/controllers/assets_controller.rb:6:in `create'