ruby on rails5
エラー内容
: $ rails s
=> Booting Puma
=> Rails 5.1.6 application starting in development
=> Runrails server -h
for more startup options
Exiting
/Users//Desktop//vendor/bundle/ruby/2.2.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:inrequire': cannot load such file -- bindex (LoadError) from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in
block in require'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:258:inload_dependency' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in
require'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/web-console-3.5.1/lib/web_console/railtie.rb:9:inblock in <class:Railtie>' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/initializable.rb:30:in
instance_exec'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/initializable.rb:30:inrun' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/initializable.rb:59:in
block in run_initializers'
from /Users//.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:226:inblock in tsort_each' from /Users/********/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:348:in
block (2 levels) in each_strongly_connected_component'
from /Users//.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:429:ineach_strongly_connected_component_from' from /Users/********/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:347:in
block in each_strongly_connected_component'
from /Users//.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:345:ineach' from /Users/********/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:345:in
call'
from /Users//.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:345:ineach_strongly_connected_component' from /Users/********/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:224:in
tsort_each'
from /Users//.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:203:intsort_each' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/initializable.rb:58:in
run_initializers'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/application.rb:353:ininitialize!' from /Users/********/Desktop/********/config/environment.rb:5:in
<top (required)>'
from config.ru:3:inrequire_relative' from config.ru:3:in
block in <main>'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/builder.rb:55:ininstance_eval' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/builder.rb:55:in
initialize'
from config.ru:innew' from config.ru:in
<main>'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/builder.rb:49:ineval' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/builder.rb:49:in
new_from_string'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/builder.rb:40:inparse_file' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/server.rb:319:in
build_app_and_options_from_config'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/server.rb:219:inapp' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:24:in
app'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/rack-2.0.5/lib/rack/server.rb:354:inwrapped_app' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:80:in
log_to_stdout'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:42:instart' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:135:in
block in perform'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:130:intap' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:130:in
perform'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/thor-0.20.0/lib/thor/command.rb:27:inrun' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/thor-0.20.0/lib/thor/invocation.rb:126:in
invoke_command'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/thor-0.20.0/lib/thor.rb:387:indispatch' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/command/base.rb:63:in
perform'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/command.rb:44:ininvoke' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/railties-5.1.6/lib/rails/commands.rb:16:in
<top (required)>'
from /Users//Desktop//bin/rails:9:inrequire' from /Users/********/Desktop/********/bin/rails:9:in
<top (required)>'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:inload' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in
call'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/lib/spring/client/command.rb:7:incall' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/lib/spring/client.rb:30:in
run'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/bin/spring:49:in<top (required)>' from /Users/********/Desktop/********/vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in
load'
from /Users//Desktop//vendor/bundle/ruby/2.2.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in<top (required)>' from /Users/********/Desktop/********/bin/spring:15:in
require'
from /Users//Desktop//bin/spring:15:in<top (required)>' from bin/rails:3:in
load'
from bin/rails:3:in `<main>'
: ********$
以上のエラーが出てしまいます!どうすれば良いのでしょうか?