Sometime back in January I installed rubygem-gollum and all its dependencies, and it worked fine. Today I tried to run it and got the following errors: /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:196:in `rescue in try_activate': undefined method `name' for nil (NoMethodError) spec ||= Gem::Specification.find_by_name(spec.name) ^^^^^ from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:192:in `try_activate' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:142:in `block in require' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:142:in `synchronize' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:142:in `rescue in require' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:138:in `require' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:110:in `require_handler' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:52:in `rescue in get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:49:in `get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:74:in `block in pick' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `each' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `pick' from /usr/local/lib/ruby/gems/3.3/gems/sinatra-4.2.1/lib/sinatra/base.rb:1631:in `run!' from /usr/local/lib/ruby/gems/3.3/gems/gollum-6.1.0/bin/gollum:294:in `<top (required)>' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `load' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `activate_and_load_bin_path' from /usr/local/bin/gollum:25:in `<main>' /usr/local/lib/ruby/site_ruby/3.3/rubygems/specification.rb:2179:in `check_version_conflict': can't activate rack-2.2.22, already activated rack-3.1.20 (Gem::LoadError) from /usr/local/lib/ruby/site_ruby/3.3/rubygems/specification.rb:1388:in `activate' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:193:in `try_activate' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:142:in `block in require' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:142:in `synchronize' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:142:in `rescue in require' from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:138:in `require' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:110:in `require_handler' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:52:in `rescue in get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:49:in `get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:74:in `block in pick' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `each' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `pick' from /usr/local/lib/ruby/gems/3.3/gems/sinatra-4.2.1/lib/sinatra/base.rb:1631:in `run!' from /usr/local/lib/ruby/gems/3.3/gems/gollum-6.1.0/bin/gollum:294:in `<top (required)>' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `load' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `activate_and_load_bin_path' from /usr/local/bin/gollum:25:in `<main>' <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:139:in `require': cannot load such file -- rack/handler/thin (LoadError) from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:139:in `require' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:110:in `require_handler' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:52:in `rescue in get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:49:in `get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:74:in `block in pick' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `each' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `pick' from /usr/local/lib/ruby/gems/3.3/gems/sinatra-4.2.1/lib/sinatra/base.rb:1631:in `run!' from /usr/local/lib/ruby/gems/3.3/gems/gollum-6.1.0/bin/gollum:294:in `<top (required)>' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `load' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `activate_and_load_bin_path' from /usr/local/bin/gollum:25:in `<main>' <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:139:in `require': cannot load such file -- rackup/handler/thin (LoadError) from <internal:/usr/local/lib/ruby/site_ruby/3.3/rubygems/core_ext/kernel_require.rb>:139:in `require' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:110:in `require_handler' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:50:in `get' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:74:in `block in pick' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `each' from /usr/local/lib/ruby/gems/3.3/gems/rackup-2.3.1/lib/rackup/handler.rb:72:in `pick' from /usr/local/lib/ruby/gems/3.3/gems/sinatra-4.2.1/lib/sinatra/base.rb:1631:in `run!' from /usr/local/lib/ruby/gems/3.3/gems/gollum-6.1.0/bin/gollum:294:in `<top (required)>' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `load' from /usr/local/lib/ruby/site_ruby/3.3/rubygems.rb:304:in `activate_and_load_bin_path' from /usr/local/bin/gollum:25:in `<main>' I'm not sure what the source of the problem is or when it showed up, since I have only used gollum a few times since installing it in January and not since then. Since the ONLY rubygems I have installed are those required by gollum I tried to see if this was some sort of issue of conflicting old installs by deleting *all* rubygem ports including gollum, and then reinstalling gollum from ports. The end result was that both versions of rubygem-rack (rubygem-rack and rubygem-rack22) got installed in the process, and the new install fails in the same way.