rails generate devise User が出来ない

rails generate devise Userが出来ません。
原因を教えてください。お願いします。

こちらエラー内容です。
/Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:292:in require': /Users/idaryuunosuke/Documents/Ruby on Rails/papershare/config/environments/development.rb:58: syntax error, unexpected keyword_end, expecting end-of-input (SyntaxError) from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:292:in block in require'
from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:258:in load_dependency' from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:292:in require'
from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/engine.rb:600:in block (2 levels) in <class:Engine>' from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/engine.rb:599:in each'
from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/engine.rb:599:in block in <class:Engine>' from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/initializable.rb:30:in instance_exec'
from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/initializable.rb:30:in run' from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/initializable.rb:59:in block in run_initializers'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:228:in block in tsort_each' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:350:in block (2 levels) in each_strongly_connected_component'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:422:in block (2 levels) in each_strongly_connected_component_from' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:431:in each_strongly_connected_component_from'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:421:in block in each_strongly_connected_component_from' from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/initializable.rb:48:in each'
from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/initializable.rb:48:in tsort_each_child' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:415:in call'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:415:in each_strongly_connected_component_from' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:349:in block in each_strongly_connected_component'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:347:in each' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:347:in call'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:347:in each_strongly_connected_component' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:226:in tsort_each'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tsort.rb:205:in tsort_each' from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/initializable.rb:58:in run_initializers'
from /Library/Ruby/Gems/2.3.0/gems/railties-5.1.7/lib/rails/application.rb:353:in initialize!' from /Users/idaryuunosuke/Documents/Ruby on Rails/papershare/config/environment.rb:5:in <top (required)>'
from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:292:in require' from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:292:in block in require'
from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:258:in load_dependency' from /Library/Ruby/Gems/2.3.0/gems/activesupport-5.1.7/lib/active_support/dependencies.rb:292:in require'
from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/application.rb:102:in preload' from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/application.rb:153:in serve'
from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/application.rb:141:in block in run' from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/application.rb:135:in loop'
from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/application.rb:135:in run' from /Library/Ruby/Gems/2.3.0/gems/spring-2.0.2/lib/spring/application/boot.rb:19:in <top (required)>'
from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in require' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in require'
from -e:1:in `<main>'