Error::ENOENT after puma phased-restart

error_enoent_puma_phased_restart.txt

/opt/application/shared/bundle/ruby/2.2.0/gems/railties-5.0.0.beta3/lib/rails/application.rb:103:in `pwd': No such file or directory - getcwd (Errno::ENOENT)
        from /opt/application/shared/bundle/ruby/2.2.0/gems/railties-5.0.0.beta3/lib/rails/application.rb:103:in `find_root'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/railties-5.0.0.beta3/lib/rails/application.rb:91:in `inherited'
        from /opt/application/current/config/application.rb:10:in `<module:Application>'
        from /opt/application/current/config/application.rb:9:in `<top (required)>'
        from /opt/application/current/config/environment.rb:2:in `require'
        from /opt/application/current/config/environment.rb:2:in `<top (required)>'
        from /opt/application/current/config.ru:3:in `require'
        from /opt/application/current/config.ru:3:in `block in <main>'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/rack-2.0.0.alpha/lib/rack/builder.rb:55:in `instance_eval'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/rack-2.0.0.alpha/lib/rack/builder.rb:55:in `initialize'
        from /opt/application/current/config.ru:in `new'
        from /opt/application/current/config.ru:in `<main>'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/rack-2.0.0.alpha/lib/rack/builder.rb:49:in `eval'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/rack-2.0.0.alpha/lib/rack/builder.rb:49:in `new_from_string'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/rack-2.0.0.alpha/lib/rack/builder.rb:40:in `parse_file'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/configuration.rb:316:in `load_rackup'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/configuration.rb:245:in `app'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/runner.rb:129:in `app'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/runner.rb:136:in `start_server'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:230:in `worker'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:121:in `block (2 levels) in spawn_workers'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:121:in `fork'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:121:in `block in spawn_workers'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:117:in `times'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:117:in `spawn_workers'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:173:in `check_workers'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cluster.rb:461:in `run'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/launcher.rb:173:in `run'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/lib/puma/cli.rb:74:in `run'
        from /opt/application/shared/bundle/ruby/2.2.0/gems/puma-3.1.0/bin/puma:10:in `<top (required)>'
        from /opt/application/shared/bundle/ruby/2.2.0/bin/puma:23:in `load'
        from /opt/application/shared/bundle/ruby/2.2.0/bin/puma:23:in `<main>'