我在使用 ruby 中的 shotgun GEM 连接到服务器时遇到问题。这是我得到的错误。
有人可以在这里确定问题吗？是我输入的命令，还是其他什么？我以前在尝试安装 Ruby Bundle 来运行这个实验室时遇到过问题。我在解决该问题时得到了帮助，但 GEM 似乎仍然存在问题。
Antonio@MacBook-Pro sinatra-shotgun-server % rackup app.rb Traceback（最近一次调用最后一次）：22：来自 /Users/Antonio/.rvm/gems/ruby-2.6.1/bin/ruby_executable_hooks:24:in <main>' 21: from /Users/Antonio/.rvm/gems/ruby-2.6.1/bin/ruby_executable_hooks:24:in eval ' 20：来自 /Users/Antonio/.rvm/gems/ruby-2.6.1/bin/rackup:23:in <main>' 19: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems.rb:297:in activate_bin_path' 18：来自 /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ ruby/site_ruby/2.6.0/rubygems.rb:297:in synchronize' 17: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems.rb:299:in block in activate_bin_path' 16：来自/Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems。 rb:236:in finish_resolve' 15: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/request_set.rb:435:in resolve_current' 14: 来自 /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/request_set.rb:423:in resolve' 13: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:192:in resolve' 12: 来自/Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/resolver.rb:42:inresolve' 11: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:64:in 解决'10：来自/Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:106:in start_resolution' 9: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:165:in initial_state' 8：来自/Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/delegates/specification_provider.rb:51:in sort_dependencies' 7: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/delegates/specification_provider.rb:69:in with_no_such_dependency_error_handling' 6：来自/Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver/molinillo/lib/molinillo/delegates/specification_provider.rb:52:in block in sort_dependencies' 5: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:279:in sort_dependencies' 4：来自 /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:279:in with_index' 3: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:279:in sort_by' 2：来自 /Users/Antonio/.rvm /rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:279:ineach' 1: from /Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:285:in 阻止 sort_dependencies'/Users/Antonio/.rvm/rubies/ruby-2.6.1/lib/ruby/site_ruby/2.6.0/rubygems/resolver.rb:235:in `search_for'：无法解决依赖关系：用户请求'did_you_mean (= 1.3.0)' (Gem::UnsatisfiableDependencyError) Antonio@MacBook-Pro sinatra-shotgun-server %