NoMethodError - undefined method exitstatus' for nil:NilClass: /var/lib/gems/1.9.1/gems/sequenceserver-1.0.5/lib/sequenceserver/blast.rb:70:in
run’ /var/lib/gems/1.9.1/gems/sequenceserver-1.0.5/lib/sequenceserver/routes.rb:125:in block in <class:Routes>' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1610:in
call’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1610:in block in compile!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:974:in
[]’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:974:in block (3 levels) in route!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:993:in
route_eval’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:974:in block (2 levels) in route!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1014:in
block in process_route’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1012:in catch' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1012:in
process_route’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:972:in block in route!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:971:in
each’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:971:in route!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1084:in
block in dispatch!’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1066:in block in invoke' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1066:in
catch’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1066:in invoke' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1081:in
dispatch!’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:906:in block in call!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1066:in
block in invoke’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1066:in catch' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1066:in
invoke’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:906:in call!' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:894:in
call’ /var/lib/gems/1.9.1/gems/rack-1.6.4/lib/rack/head.rb:13:in call' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:181:in
call’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:2021:in call' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1486:in
block in call’ /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1795:in synchronize' /var/lib/gems/1.9.1/gems/sinatra-1.4.6/lib/sinatra/base.rb:1486:in
call’ /var/lib/gems/1.9.1/gems/sequenceserver-1.0.5/lib/sequenceserver.rb:90:in call' /var/lib/gems/1.9.1/gems/rack-1.6.4/lib/rack/handler/webrick.rb:88:in
service’ /usr/lib/ruby/1.9.1/webrick/httpserver.rb:138:in service' /usr/lib/ruby/1.9.1/webrick/httpserver.rb:94:in
run’ /usr/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread’
kindly help.