uninitialized constant Paperclip::Storage::S3::AWS
When trying to set up the Paperclip gem with Amazon S3 storage I encountered the following error:
aws-sdk gem to version < 2.0 fixed it for me:
gem 'aws-sdk', '< 2.0'
As Trevor Rore from Amazon writes:
NameError: uninitialized constant AWS
If you receive this error, you likely have a dependency on aws-sdk and have updated so that you now have version 2 installed. Version 2 uses a different module name, so it does not define AWS.
Read more here.