uninitialized constant Homebrew::Service

[lms-sam]

➜ xxx brew services list Error: uninitialized constant Homebrew::Service /usr/local/Homebrew/Library/Homebrew/formula.rb:1267:in service' /usr/local/Homebrew/Library/Homebrew/formula.rb:1238:inplist_name' /usr/local/Homebrew/Library/Homebrew/formula.rb:1250:in launchd_service_path' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formula_wrapper.rb:58:inservice_file' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formula_wrapper.rb:92:in plist?' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:14:inblock in available_services' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:14:in select' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:14:inavailable_services' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/formulae.rb:25:in services_list' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/lib/service/commands/list.rb:13:inrun' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-services/cmd/services.rb:129:in services' /usr/local/Homebrew/Library/Homebrew/brew.rb:96:inpublic_send' /usr/local/Homebrew/Library/Homebrew/brew.rb:96:in `

' If reporting this issue please do so at (not Homebrew/brew or Homebrew/homebrew-core):

[SMillerDev]

What do brew config and brew doctor say?

[2015WUJI01]

check this out: https://github.com/Homebrew/homebrew-core/issues/177327#issuecomment-2311834491