Ruby on rails 未定义的方法`已附加一个'；对于#<；类别：>；（NoMethodError）使用Ubuntu+；阿帕奇&x2B；乘客

我在使用Ubuntu+Apache+Passenger时遇到了这个错误。 问题是我没有使用任何数据库或模型

undefined method `has_one_attached' for #<Class:0x0000555c6ad94fd8> (NoMethodError)
  /usr/local/rvm/gems/ruby-2.5.1/gems/activerecord-5.2.1/lib/active_record/dynamic_matchers.rb:22:in `method_missing'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active_storage/blob/representable.rb:7:in `block in <module:Representable>'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/concern.rb:122:in `class_eval'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/concern.rb:122:in `append_features'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active_storage/blob.rb:23:in `include'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active_storage/blob.rb:23:in `<class:Blob>'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active_storage/blob.rb:16:in `<main>'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `block in require_with_bootsnap_lfi'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/loaded_features_index.rb:83:in `register'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:20:in `require_with_bootsnap_lfi'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:287:in `block in require'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:253:in `load_dependency'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:287:in `require'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:374:in `block in require_or_load'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:37:in `block in load_interlock'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies/interlock.rb:14:in `block in loading'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/concurrency/share_lock.rb:151:in `exclusive'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies/interlock.rb:13:in `loading'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:37:in `load_interlock'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:352:in `require_or_load'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/active_support.rb:48:in `block in require_or_load'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/active_support.rb:16:in `allow_bootsnap_retry'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/active_support.rb:47:in `require_or_load'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:330:in `depend_on'
  /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/active_support.rb:82:in `depend_on'
  /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active_support/dependencies.rb:244:in `require_dependency'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:478:in `block (2 levels) in eager_load!'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:477:in `each'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:477:in `block in eager_load!'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:475:in `each'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:475:in `eager_load!'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:356:in `eager_load!'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/application/finisher.rb:69:in `each'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/application/finisher.rb:69:in `block in <module:Finisher>'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:32:in `instance_exec'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:32:in `run'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:61:in `block in run_initializers'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:228:in `block in tsort_each'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:431:in `each_strongly_connected_component_from'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:349:in `block in each_strongly_connected_component'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:347:in `each'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:347:in `call'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:347:in `each_strongly_connected_component'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:226:in `tsort_each'
  /usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:205:in `tsort_each'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:60:in `run_initializers'
  /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/application.rb:361:in `initialize!'
  /var/www/app/config/environment.rb:5:in `<top (required)>'
  config.ru:3:in `require_relative'
  config.ru:3:in `block in <main>'
  /usr/local/rvm/gems/ruby-2.5.1/gems/rack-2.0.6/lib/rack/builder.rb:55:in `instance_eval'
  /usr/local/rvm/gems/ruby-2.5.1/gems/rack-2.0.6/lib/rack/builder.rb:55:in `initialize'
  config.ru:1:in `new'
  config.ru:1:in `<main>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:101:in `eval'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:101:in `preload_app'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:189:in `block in <module:App>'
  /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:380:in `run_block_and_record_step_progress'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:188:in `<module:App>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:29:in `<main>'

未定义的方法'has_one_attached'for#（NoMethodError）
/usr/local/rvm/gems/ruby-2.5.1/gems/activerecord-5.2.1/lib/active\u record/dynamic\u matchers.rb:22:in'method\u missing'
/usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active_storage/blob/representable.rb:7:in'block in'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u support/concern.rb:122:in'class\u eval'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/concern.rb:122:在“附加功能”中
/usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active_storage/blob.rb:23:in“include”
/usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active\u storage/blob.rb:23:in`'
/usr/local/rvm/gems/ruby-2.5.1/gems/activestorage-5.2.1/app/models/active\u storage/blob.rb:16:in`'
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load\u path\u cache/core\u ext/kernel\u require.rb:21:in'require'
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in`block in require_with_bootsnap_lfi'
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load\u path\u cache/load\u features\u index.rb:83:在“寄存器”中
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:20:in'require_with_bootsnap_lfi'
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load\u path\u cache/core\u ext/kernel\u require.rb:29:in'require'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:287:in'block-in-require'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u support/dependencies.rb:253:in'load\u dependencity'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:287:in'require'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:374:in`block-in-require\u或\u-load'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:37:in'block-in-load\u-interlock'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies/interlock.rb:14:在“加载中的块”中
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/concurrency/share\u-lock.rb:151:在“独占”中
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies/interlock.rb:13:在“加载”中
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u support/dependencies.rb:37:in'load\u interlock'
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:352:in'require\u或\u-load'
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load\u path\u cache/core\u ext/active\u support.rb:48:“块入请求或加载”
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/active_support.rb:16:在“允许_bootsnap_重试”中
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load\u path\u cache/core\u ext/active\u support.rb:47:在“require\u或\u load”中
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:330:in'dependent\u'
/usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.4.1/lib/bootsnap/load\u path\u cache/core\u ext/active\u support.rb:82:in“依赖”
/usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.1/lib/active\u-support/dependencies.rb:244:in'require\u-dependencity'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:478:in'block（2层）in eager_load！'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:477:in'each'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:477:in'block in eager_load！'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:475:in'each'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:475:in'eager_load！'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/engine.rb:356:in'eager_load！'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/application/finisher.rb:69:in'each'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/application/finisher.rb:69:in'block in'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:32:in'instance_exec'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:32:in'run'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:61:在“运行中的块初始化器”中
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:228:in`block in tsort_each'
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:350：在每个强连接的组件中的“块（2级）”中
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:431:在“每个强连接的组件”中
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:349:“每个强连接的组件中的块”
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:347:in'each'
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:347:in'call'
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:347:“每个强连接的组件”
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:226:in'tsort_each'
/usr/local/rvm/rubies/ruby-2.5.1/lib/ruby/2.5.0/tsort.rb:205:in'tsort_each'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/initializable.rb:60:in'run_initializers'
/usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.1/lib/rails/application.rb:361:in'initialize！'
/var/www/app/config/environment.rb:5:in`'
config.ru:3:in'require\u relative'
config.ru:3:in'block in'
/usr/local/rvm/gems/ruby-2.5.1/gems
rails active_storage:install:migrations
rails db:migrate