If I understand you correctly, there must be somehow a depency issue in the package.
zammad run rails zeitwerk:check --trace
rails aborted!
LoadError: cannot load such file -- zeitwerk
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/vite_ruby-3.3.4/lib/vite_ruby.rb:8:in `<main>'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/vite_rails-3.0.17/lib/vite_rails.rb:3:in `<main>'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require'
/opt/zammad/vendor/ruby-3.1.3/lib/ruby/3.1.0/bundler/runtime.rb:60:in `block (2 levels) in require'
/opt/zammad/vendor/ruby-3.1.3/lib/ruby/3.1.0/bundler/runtime.rb:55:in `each'
/opt/zammad/vendor/ruby-3.1.3/lib/ruby/3.1.0/bundler/runtime.rb:55:in `block in require'
/opt/zammad/vendor/ruby-3.1.3/lib/ruby/3.1.0/bundler/runtime.rb:44:in `each'
/opt/zammad/vendor/ruby-3.1.3/lib/ruby/3.1.0/bundler/runtime.rb:44:in `require'
/opt/zammad/vendor/ruby-3.1.3/lib/ruby/3.1.0/bundler.rb:186:in `require'
/opt/zammad/config/application.rb:13:in `<main>'
/opt/zammad/Rakefile:7:in `require_relative'
/opt/zammad/Rakefile:7:in `<main>'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/rake_module.rb:29:in `load'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/rake_module.rb:29:in `load_rakefile'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/application.rb:710:in `raw_load_rakefile'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/application.rb:104:in `block in load_rakefile'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/application.rb:186:in `standard_exception_handling'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/application.rb:103:in `load_rakefile'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/railties-7.0.8.1/lib/rails/commands/rake/rake_command.rb:20:in `block in perform'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/rake-13.0.6/lib/rake/rake_module.rb:59:in `with_application'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/railties-7.0.8.1/lib/rails/commands/rake/rake_command.rb:18:in `perform'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/railties-7.0.8.1/lib/rails/command.rb:51:in `invoke'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/railties-7.0.8.1/lib/rails/commands.rb:18:in `<main>'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require'
/opt/zammad/vendor/bundle/ruby/3.1.0/gems/bootsnap-1.17.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:32:in `require'
/opt/zammad/bin/rails:5:in `<main>'
Should I install/reinstall the “zeitwerk” package?