Ruby on Rails

When I start cd ridemo
and rails s

This is the error message I'm receiving from the console:
from script/rails:6:in 'require'
from script/rails:6

And this is what I get from the browser:

Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection
without sending any data.

Please your help will be immensely appreciated.

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