rvm + rails install ERROR: While executing gem (NoMethodError)undefined method `ord' for nil:NilClass

Question

• Ububtu 14.04
• rvm 1.26.11
• ruby 2.1.0p0

rvm list :

rvm rubies

=* ruby-2.1.0 [ x86_64 ]

# => - current
# =         


        

Answer 1

Try:

gem update --system

You can also update your system that might solve your problem, see here.