When I run bundle exec rails console production or rails console production via SSH on the server in the Current folder of the Capistr
I have the same problem, and turns out when you deploy through cap shared/bin is symlink to current/bin.
Here's what works for me:
rm current/binmkdir current/binrake rails:update:binThis should help, but it is somewhat a temporary solution, I'm trying to find out how to make cap not auto symlink-ing current/bin.