At the moment of wanting to raise the server service, it gives me this:
rails s
=> Booting WEBrick
=> Rails 4.2.6 application starting in development on http://localhost:3000
=> Run 'rails server -h' for more startup options
=> Ctrl-C to shutdown server
/home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:121: warning: constant ::Fixnum is deprecated
/home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:121: warning: constant ::Bignum is deprecated
Exiting
/home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:124:in 'block (2 levels) in <class:Numeric>': stack level too deep (SystemStackError)
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in 'block (2 levels) in <class:Numeric>'
... 4044 levels...
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:39:in 'run_command!'
from /home/ricardo/.rvm/gems/ruby-2.4.1/gems/railties-4.2.6/lib/rails/commands.rb:17:in '<top (required)>'
from bin/rails:4:in 'require'
from bin/rails:4:in '<main>'