嗨，我需要在ruby上修复旧的应用程序，我可以用它来解决新问题，它可以帮助我从ruby 1.9.3 rails 4.0.1迁移
我需要设置一个旧网站，但我无法正确配置
$ rails server
Traceback (most recent call last):
25: from bin/rails:3:in `<main>'
24: from bin/rails:3:in `load'
23: from /Users/FightForDObro/Desktop/Done/bin/spring:15:in `<top (required)>'
22: from /Users/FightForDObro/Desktop/Done/bin/spring:15:in `require'
21: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `<top (required)>'
20: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `load'
19: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/bin/spring:49:in `<top (required)>'
18: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/lib/spring/client.rb:30:in `run'
17: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/lib/spring/client/command.rb:7:in `call'
16: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in `call'
15: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in `load'
14: from /Users/FightForDObro/Desktop/Done/bin/rails:9:in `<top (required)>'
13: from /Users/FightForDObro/Desktop/Done/bin/rails:9:in `require'
12: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/commands.rb:18:in `<top (required)>'
11: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/command.rb:46:in `invoke'
10: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/command/base.rb:65:in `perform'
9: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
8: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
7: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
6: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:142:in `perform'
5: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:142:in `tap'
4: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:145:in `block in perform'
3: from /Users/FightForDObro/.rvm/gems/ruby-2.6.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:145:in `require'
2: from /Users/FightForDObro/Desktop/Done/config/application.rb:10:in `<top (required)>'
1: from /Users/FightForDObro/Desktop/Done/config/application.rb:11:in `<module:Domino>'
/Users/FightForDObro/Desktop/Done/config/application.rb:35:in `<class:Application>': uninitialized constant Domino::Application::Ckeditor (NameError)
$
我尝试修复，我希望我可以修复所有错误