How to: use with PaperTrail - carrierwaveuploader/carrierwave GitHub Wiki

Using with PaperTrail

paper_trail uses yaml as the default object serializer which causes some issues with carrierwave objects if you are using multiple file uploads. In order to make it work you either need to use mount_on option with your image gallery or change the default serializer to be json.

PaperTrail.serializer = PaperTrail::Serializers::JSON