class ActiveRecord::NoDatabaseError

# File activerecord/lib/active_record/errors.rb, line 339
      def db_error(db_name)
        NoDatabaseError.new(<<~MSG)
          Database not found: #{db_name}. Available database configurations can be found in config/database.yml.

          To resolve this error:

          - Create the database by running:

              bin/rails db:create

          - Verify that config/database.yml contains the correct database name.
        MSG
      end

# File activerecord/lib/active_record/errors.rb, line 334
def initialize(message = nil, connection_pool: nil)
  super(message || "Database not found", connection_pool: connection_pool)
end