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我正嘗試在寶石中使用寶石。我安裝了最新版本（0.9.0）。我也創建了schedule.rb文件。然而，每個命令似乎沒有從命令行工作。我試圖whenever --update-crontab甚至whenever -- help但兩者給我以下錯誤：在寶石中使用寶石時出現心理錯誤
/usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/i686-linux/psych.so: warning: already initialized constant Psych::Parser::ANY
/usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/i686-linux/psych.so: warning: already initialized constant Psych::Parser::UTF8
/usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/i686-linux/psych.so: warning: already initialized constant Psych::Parser::UTF16LE
/usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/i686-linux/psych.so: warning: already initialized constant Psych::Parser::UTF16BE
/usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/psych/syntax_error.rb:5:in `<module:Psych>': superclass mismatch for class SyntaxError (TypeError)
from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/psych/syntax_error.rb:1:in `<top (required)>'
from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/psych.rb:1:in `require'
from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/psych.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext/big_decimal/conversions.rb:4:in `require'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext/big_decimal/conversions.rb:4:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext/big_decimal.rb:1:in `require'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext/big_decimal.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext.rb:2:in `require'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext.rb:2:in `block in <top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext.rb:1:in `each'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/core_ext.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/all.rb:3:in `require'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/activesupport-3.2.13/lib/active_support/all.rb:3:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/whenever-0.8.4/lib/whenever.rb:2:in `require'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/whenever-0.8.4/lib/whenever.rb:2:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/whenever-0.8.4/bin/whenever:4:in `require'
from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/whenever-0.8.4/bin/whenever:4:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/whenever:23:in `load'
from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/whenever:23:in `<main>'
from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `eval'
from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `<main>'
我甚至unistalled迷幻並重新安裝它，但它似乎並沒有工作。我在軌3.2.13和紅寶石2.0