class method self.db_error

# File activerecord/lib/active_record/errors.rb, line 347
      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