[dennou-ruby:003697] gphysのエラー on FreeBSD 11 using ruby 2.1.1

[Shin-ya Murakami <murashin@xxxxxxxxxxxxxx>]

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$ gpview vor-steady.nc@str 
 *** MESSAGE (SWDOPN) ***  GRPH1 : STARTED / IWS =  4.                         
  Reading vor-steady.nc@str
 *** WARNING (SLZTTL) ***  SPACE FOR TITLE IS NOT ENOUGH.                      
 *** MESSAGE (-CNT.-) ***  PY = 0.0 IS ASSUMED.                                
 *** WARNING (SLZTTL) ***  SPACE FOR TITLE IS NOT ENOUGH.                      
 *** MESSAGE (-CNT.-) ***  PY = 0.0 IS ASSUMED.                                
/usr/local/lib/ruby/site_ruby/2.1/numru/units.rb:660:in `foldnumber': undefined method `foldnumber' for Error[1]:NumRu::Units::ErrorNode (NoMethodError)
							from /usr/local/lib/ruby/site_ruby/2.1/numru/units.rb:590:in `reduce4'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/units.rb:3062:in `binop'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/units.rb:3075:in `/'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/units.rb:3114:in `=~'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/ggraph.rb:1284:in `block in fig'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/ggraph.rb:1283:in `each'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/ggraph.rb:1283:in `fig'
							from /usr/local/lib/ruby/site_ruby/2.1/numru/ggraph.rb:2659:in `tone'
							from /usr/local/bin/gpview:487:in `draw'
							from /usr/local/bin/gpview:745:in `block in <main>'
							from /usr/local/bin/gpview:753:in `call'
							from /usr/local/bin/gpview:753:in `<main>'
zsh: exit 1     gpview --nocont vor-steady.nc@str

----
Shin-ya Murakami
email: murashin@xxxxxxxxxxxxxx
WWW: http://www.gfd-dennou.org/member/murashin/