Redmine

The error occurred when I changed the configuration to "async_smtp" mode on my Redmine.
I remember that Redmine 3.4.9.stable version is normal.

<error log on apache web server>
App 10381 output: Redmine now uses ActiveJob to send emails asynchronously and the :async_smtp delivery method is no longer available.
App 10381 output: Please update your config/configuration.yml to use :smtp delivery method instead.
App 10381 output: Error: The application encountered the following error: Redmine now uses ActiveJob to send emails asynchronously and the :async_smtp delivery method is no longer available.
App 10381 output: Please update your config/configuration.yml to use :smtp delivery method instead. (SystemExit)
App 10381 output: /var/www/redmine/lib/redmine/configuration.rb:65:in `abort'
App 10381 output: /var/www/redmine/lib/redmine/configuration.rb:65:in `block in load'
App 10381 output: /var/www/redmine/lib/redmine/configuration.rb:61:in `each'
App 10381 output: /var/www/redmine/lib/redmine/configuration.rb:61:in `load'
App 10381 output: /var/www/redmine/lib/redmine/configuration.rb:79:in `[]'
App 10381 output: /var/www/redmine/config/initializers/30-redmine.rb:15:in `<top (required)>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/activesupport-6.1.7.7/lib/active_support/dependencies.rb:326:in `load'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/activesupport-6.1.7.7/lib/active_support/dependencies.rb:326:in `block in load'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/activesupport-6.1.7.7/lib/active_support/dependencies.rb:299:in `load_dependency'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/activesupport-6.1.7.7/lib/active_support/dependencies.rb:326:in `load'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/engine.rb:681:in `block in load_config_initializer'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/activesupport-6.1.7.7/lib/active_support/notifications.rb:205:in `instrument'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/engine.rb:680:in `load_config_initializer'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/engine.rb:634:in `block (2 levels) in <class:Engine>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/engine.rb:633:in `each'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/engine.rb:633:in `block in <class:Engine>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/initializable.rb:32:in `instance_exec'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/initializable.rb:32:in `run'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/initializable.rb:61:in `block in run_initializers'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:228:in `block in tsort_each'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:431:in `each_strongly_connected_component_from'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/initializable.rb:50:in `each'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/initializable.rb:50:in `tsort_each_child'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:415:in `call'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:415:in `each_strongly_connected_component_from'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:349:in `block in each_strongly_connected_component'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:347:in `each'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:347:in `call'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:347:in `each_strongly_connected_component'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:226:in `tsort_each'
App 10381 output: /usr/local/rvm/rubies/ruby-3.2.4/lib/ruby/3.2.0/tsort.rb:205:in `tsort_each'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/initializable.rb:60:in `run_initializers'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/railties-6.1.7.7/lib/rails/application.rb:391:in `initialize!'
App 10381 output: /var/www/redmine/config/environment.rb:16:in `<top (required)>'
App 10381 output: config.ru:3:in `require_relative'
App 10381 output: config.ru:3:in `block in <main>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/rack-2.2.9/lib/rack/builder.rb:125:in `instance_eval'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/rack-2.2.9/lib/rack/builder.rb:125:in `initialize'
App 10381 output: config.ru:1:in `new'
App 10381 output: config.ru:1:in `<main>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/helper-scripts/rack-preloader.rb:101:in `eval'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/helper-scripts/rack-preloader.rb:101:in `preload_app'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/helper-scripts/rack-preloader.rb:189:in `block in <module:App>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/ruby_supportlib/phusion_passenger/loader_shared_helpers.rb:399:in `run_block_and_record_step_progress'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/helper-scripts/rack-preloader.rb:188:in `<module:App>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
App 10381 output: /usr/local/rvm/gems/ruby-3.2.4/gems/passenger-6.0.22/src/helper-scripts/rack-preloader.rb:29:in `<main>'
[ E 2024-05-31 17:54:50.5192 10070/T12 age/Cor/App/Implementation.cpp:221 ]: Could not spawn process for application /var/www/redmine: The application encountered the following error: Redmine now uses ActiveJob to send emails asynchronously and the :async_smtp delivery method is no longer available.
Please update your config/configuration.yml to use :smtp delivery method instead. (SystemExit)
Error ID: 90c4dc83
Error details saved to: /tmp/passenger-error-tPHomq.html

[ E 2024-05-31 17:54:50.5205 10070/Te age/Cor/Con/CheckoutSession.cpp:283 ]: [Client 3-2] Cannot checkout session because a spawning error occurred. The identifier of the error is 90c4dc83. Please see earlier logs for details about the error.

<My redmine configuration for email notifications>
production:
delivery_method: :async_smtp
async_smtp_settings:
enable_starttls_auto: true
address: "smtp.gmail.com"
port: 587
domain: "smtp.gmail.com"
authentication: :plain
user_name: "xxx@gmail.com"
password: "********"