validate_global_service_configuration

# File activestorage/app/models/active_storage/blob.rb, line 165
    def validate_global_service_configuration # :nodoc:
      if connected? && table_exists? && Rails.configuration.active_storage.service.nil?
        raise RuntimeError, "Missing Active Storage service name. Specify Active Storage service name for config.active_storage.service in config/environments/#{Rails.env}.rb"
      end
    end