ruby on rails - Could not find generator 'active_admin:install' -


i removed active_admin rails app , trying add active_admin again.

getmfile: gem 'activeadmin', github: 'activeadmin'

and ran command:

rails g active_admin:install

and met error:

running via spring preloader in process 4200 expected boolean default value '--markerb'; got :erb (string) not find generator 'active_admin:install'. maybe meant 'devise:install', 'responders:install' or 'active_record:model'

update: ran bundle install no reaction

update: result of rails -t

rails                               # list versions of rails frameworks , environment rails app:template                        # applies template supplied location=(/path/to/template) or url rails app:update                          # update configs , other generated files (or use upda... rails assets:clean[keep]                  # remove old compiled assets rails assets:clobber                      # remove compiled assets rails assets:environment                  # load asset compile environment rails assets:precompile                   # compile assets named in config.assets.precompile rails bower:cache:clean                   # clear bower cache ('bower cache clean') rails bower:clean                         # attempt keep files listed in 'main' of each component's bower.json rails bower:install[options]              # install components bower rails bower:install:deployment[options]   # install components bower using generated bower.json rails bower:install:development[options]  # install both dependencies , devdependencies bower rails bower:install:production[options]   # install dependencies, excluding devdependencies bower rails bower:list                          # list bower components rails bower:resolve[relative_directory]   # resolve assets paths in bower components rails bower:update[options]               # update bower components rails bower:update:prune[options]         # update existing components , uninstalls extraneous components rails cache_digests:dependencies          # lookup first-level dependencies template (like messages/show or comme... rails cache_digests:nested_dependencies   # lookup nested dependencies template (like messages/show or comments/_... rails db:create                           # creates database database_url or config/database.yml cur... rails db:drop                             # drops database database_url or config/database.yml curre... rails db:environment:set                  # set environment value database rails db:fixtures:load                    # loads fixtures current environment's database rails db:migrate                          # migrate database (options: version=x, verbose=false, scope=blog) rails db:migrate:status                   # display status of migrations rails db:rollback                         # rolls schema previous version (specify steps w/ step=n) rails db:schema:cache:clear               # clears db/schema_cache.dump file rails db:schema:cache:dump                # creates db/schema_cache.dump file rails db:schema:dump                      # creates db/schema.rb file portable against db supported ... rails db:schema:load                      # loads schema.rb file database rails db:seed                             # loads seed data db/seeds.rb rails db:setup                            # creates database, loads schema, , initializes seed dat... rails db:structure:dump                   # dumps database structure db/structure.sql rails db:structure:load                   # recreates databases structure.sql file rails db:version                          # retrieves current schema version number rails dev:cache                           # toggle development mode caching on/off rails initializers                        # print out defined initializers in order invoked rails rails log:clear                           # truncates all/specified *.log files in log/ 0 bytes (specify ... rails middleware                          # prints out rack middleware stack rails notes                               # enumerate annotations (use notes:optimize, :fixme, :todo focus) rails notes:custom                        # enumerate custom annotation, specify annotation=custom rails restart                             # restart app touching tmp/restart.txt rails routes                              # print out defined routes in match order, names rails secret                              # generate cryptographically secure secret key (this typically used to... rails stats                               # report code statistics (klocs, etc) application or engine rails test                                # runs tests in test folder rails test:db                             # run tests quickly, reset db rails time:zones[country_or_offset]       # list time zones, list two-letter country code (`rails time:zones[u... rails tmp:clear                           # clear cache , socket files tmp/ (narrow w/ tmp:cache:clear, tmp:so... rails tmp:create                          # creates tmp directories cache, sockets, , pids

update: rails : 5.0.5 rvm: 2.4.1 os: mac

update: ran bundle exec rails g active_admin:install no reaction.


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