If you’re using YAML in Ruby and have it installed via RVM, you might get a notice similar to the following.
It seems your ruby installation is missing psych (for YAML output). To eliminate this warning, please install libyaml and reinstall your ruby.
You can solve this using the following commands.
rvm pkg install libyaml rvm reinstall 1.9.3
You may (or even need) to replace 1.9.3 with your exact version number.
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This entry was posted on Friday, November 16th, 2012 at 12:53 pm and is filed under Programming, Tech. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.