ruby - Dashing & Openhab -


i'm trying start openhab dashing project, i'm still having same error. when try dashing sample project starts perfect, not openhab project.

user@server:~/dashboard$ dashing start /usr/local/lib/ruby/gems/2.0.0/gems/backports-3.6.7/lib/backports/std_lib.rb:9:in `require': cannot load such file -- data_mapper (loaderror)         /usr/local/lib/ruby/gems/2.0.0/gems/backports-3.6.7/lib/backports/std_lib.rb:9:in `require_with_backports'         /home/jopo/dashboard/lib/settings.rb:1:in `<top (required)>'         /usr/local/lib/ruby/gems/2.0.0/gems/backports-3.6.7/lib/backports/std_lib.rb:9:in `require'         /usr/local/lib/ruby/gems/2.0.0/gems/backports-3.6.7/lib/backports/std_lib.rb:9:in `require_with_backports'         /usr/local/lib/ruby/gems/2.0.0/gems/dashing-1.3.4/lib/dashing/app.rb:157:in `block in require_glob'         /usr/local/lib/ruby/gems/2.0.0/gems/dashing-1.3.4/lib/dashing/app.rb:156:in `each'         /usr/local/lib/ruby/gems/2.0.0/gems/dashing-1.3.4/lib/dashing/app.rb:156:in `require_glob'         /usr/local/lib/ruby/gems/2.0.0/gems/dashing-1.3.4/lib/dashing/app.rb:166:in `<top (required)>'         /usr/local/lib/ruby/gems/2.0.0/gems/dashing-1.3.4/lib/dashing.rb:3:in `require'         /usr/local/lib/ruby/gems/2.0.0/gems/dashing-1.3.4/lib/dashing.rb:3:in `<top (required)>'         config.ru:1:in `require'         config.ru:1:in `block in <main>'         /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `instance_eval'         /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `initialize'         config.ru:1:in `new'         config.ru:1:in `<main>'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/lib/rack/adapter/loader.rb:33:in `eval'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/lib/rack/adapter/loader.rb:33:in `load'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/lib/thin/controllers/controller.rb:182:in `load_rackup_config'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/lib/thin/controllers/controller.rb:72:in `start'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/lib/thin/runner.rb:200:in `run_command'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/lib/thin/runner.rb:156:in `run!'         /usr/local/lib/ruby/gems/2.0.0/gems/thin-1.6.4/bin/thin:6:in `<top (required)>'         /usr/local/bin/thin:23:in `load'         /usr/local/bin/thin:23:in `<main>'

where need search solution?

it missing ruby gem. try install with

sudo gem install datamapper

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