El comando que estoy ejecutando es

 brew install cocoapods

Advertencia: cocoapods 1.11.2_2 ya está instalado y actualizado. Para reinstalar 1.11.2_2, ejecute: brew reinstall cocoapods ~ % alias pod='arch -x86_64 pod'

A continuación se muestra el error:

 /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/conflict.rb:47:in `conflicting_dependencies': undefined method `request' for nil:NilClass (NoMethodError) [@failed_dep.dependency, @activated.request.dependency] ^^^^^^^^ from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/exceptions.rb:61:in `conflicting_dependencies' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/exceptions.rb:55:in `initialize' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver.rb:193:in `exception' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver.rb:193:in `raise' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver.rb:193:in `rescue in resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver.rb:191:in `resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/request_set.rb:411:in `resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/request_set.rb:423:in `resolve_current' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:230:in `finish_resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:287:in `block in activate_bin_path' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:285:in `synchronize' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:285:in `activate_bin_path' from /opt/homebrew/Cellar/cocoapods/1.11.2_2/libexec/bin/pod:25:in `<main>' /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:317:in `raise_error_unless_state': Unable to satisfy the following requirements: (Gem::Resolver::Molinillo::VersionConflict) - `minitest (= 5.14.2)` required by `user-specified dependency` from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:299:in `block in unwind_for_conflict' from <internal:kernel>:90:in `tap' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:297:in `unwind_for_conflict' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:682:in `attempt_to_activate' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:254:in `process_topmost_state' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolution.rb:182:in `resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver/molinillo/lib/molinillo/resolver.rb:43:in `resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/resolver.rb:190:in `resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/request_set.rb:411:in `resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems/request_set.rb:423:in `resolve_current' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:230:in `finish_resolve' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:287:in `block in activate_bin_path' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:285:in `synchronize' from /opt/homebrew/Cellar/ruby/3.1.1/lib/ruby/3.1.0/rubygems.rb:285:in `activate_bin_path' from /opt/homebrew/Cellar/cocoapods/1.11.2_2/libexec/bin/pod:25:in `<main>'

Desinstalo e instalo RUBY y COCOPODS nuevamente. y ahora debajo está el error:

 /Library/Ruby/Site/2.6.0/rubygems.rb:265:in `find_spec_for_exe': can't find gem cocoapods (>= 0.a) with executable pod (Gem::GemNotFoundException) from /Library/Ruby/Site/2.6.0/rubygems.rb:284:in `activate_bin_path' from /usr/local/bin/pod:23:in `<main>'