Making gemset ruby-2.4.2 pristine - please wait

'command gem pristine --extensions bigdecimal --version 1.3.0 gem-wrappers --version 1.3.2 io-console --version 0.4.6 json --version 2.0.4 openssl --version 2.0.5 psych --version 2.2.2' failed, you need to fix this gems manually.
Error running '__rvm_with ruby-2.4.2 gemset_pristine',
please read /Users/myname/.rvm/log/1507820191_ruby-2.4.2/gemset.pristine-ruby-2.4.2.log

Making gemset ruby-2.4.2@global pristine - please wait

'command gem pristine --extensions bigdecimal --version 1.3.0 io-console --version 0.4.6 json --version 2.0.4 openssl --version 2.0.5 psych --version 2.2.2' failed, you need to fix this gems manually.
Error running '__rvm_with ruby-2.4.2@global gemset_pristine',
please read /Users/myname/.rvm/log/1507820191_ruby-2.4.2/gemset.pristine-ruby-2.4.2@global.log