TypeError - can't convert Hash into String:
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast/formatter.rb:44:in `system'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast/formatter.rb:44:in `run'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast/formatter.rb:20:in `initialize'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast/report.rb:36:in `run'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast/report.rb:36:in `generate'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast/report.rb:21:in `initialize'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast.rb:96:in `new'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/blast.rb:96:in `run'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/routes.rb:125:in `POST /'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1602:in `call'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1602:in `compile!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:966:in `[]'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:966:in `route!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:985:in `route_eval'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:966:in `route!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1006:in `process_route'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1004:in `catch'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1004:in `process_route'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:964:in `route!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:963:in `each'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:963:in `route!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1076:in `dispatch!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1058:in `invoke'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1058:in `catch'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1058:in `invoke'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1073:in `dispatch!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:898:in `call!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1058:in `invoke'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1058:in `catch'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1058:in `invoke'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:898:in `call!'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:886:in `call'
/usr/lib/ruby/gems/1.8/gems/rack-1.6.0/lib/rack/head.rb:13:in `call'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:180:in `call'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:2014:in `call'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1478:in `call'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1788:in `synchronize'
/usr/lib/ruby/gems/1.8/gems/sinatra-1.4.5/lib/sinatra/base.rb:1478:in `call'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver.rb:90:in `call'
/usr/lib/ruby/gems/1.8/gems/rack-1.6.0/lib/rack/handler/webrick.rb:89:in `service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/server.rb:26:in `start'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver/server.rb:9:in `run'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/lib/sequenceserver.rb:55:in `run'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/bin/sequenceserver:417
/usr/lib/ruby/gems/1.8/gems/slop-3.6.0/lib/slop.rb:260:in `call'
/usr/lib/ruby/gems/1.8/gems/slop-3.6.0/lib/slop.rb:260:in `parse!'
/usr/lib/ruby/gems/1.8/gems/slop-3.6.0/lib/slop.rb:65:in `parse!'
/usr/lib/ruby/gems/1.8/gems/sequenceserver-1.0.4/bin/sequenceserver:24
/usr/bin/sequenceserver:19:in `load'
/usr/bin/sequenceserver:19