You don't show what command you are running, but I would suspect that the
capifony_symfony2 gem is not installed or not loading. You ususaklly have
to take care to run "bundle exec cap deploy" if using Bundler.
Word of warning: none of the maintainers, and few people active on the list
use
Versions:
- Ruby 2.3.1p112
- Capistrano (2.15.9, 2.9.0) / capistrano-ext (1.2.1) /
capistrano-maintenance
(0.0.3) / capistrano_rsync_with_remote_cache (2.4.0)
- capifony (2.8.6, 2.1.3)
- Rake (0.9.2.2)
- bigdecimal (1.1.0)
- bundler (1.15.4)
- bundler-unload (1.0.2)