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huangw / mongoid-erd-gem

A ruby-gem for creating ERD graphs from mongoid model source code.
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undefined method `each' for nil:NilClass (NoMethodError) #3

Open rubyconvict opened 8 years ago

rubyconvict commented 8 years ago 
(...)/vendor/bundle/ruby/2.2.0/gems/mongoid-erd-0.0.8/lib/mongoid_erd.rb:43:in `initialize': undefined method `each' for nil:NilClass (NoMethodError)
  from (...)/vendor/bundle/ruby/2.2.0/gems/mongoid-erd-0.0.8/bin/merd:59:in `new'
  from (...)/vendor/bundle/ruby/2.2.0/gems/mongoid-erd-0.0.8/bin/merd:59:in `<top (required)>'
  from (...)/vendor/bundle/ruby/2.2.0/bin/merd:23:in `load'
  from (...)/vendor/bundle/ruby/2.2.0/bin/merd:23:in `<main>'