rbenv - Unable to start Ruby Thin Command -

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i trying run dashboard written in ruby using dashing framework. however, when go run:

dashing start

i this:

bundler: failed load command: thin (/users/haddad/.rbenv/versions/2.2.3/bin/thin)

i should note, did kill thin process manually kill <pid of thin>

how fix or restart process?

did have dashing framework in gemfile , ran bundle install?


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