rubocop/rubocop · error · RuboCop::ValidationError

The `Layout/MultilineMethodCallIndentation` cop only accepts

Error message

The `Layout/MultilineMethodCallIndentation` cop only accepts an `IndentationWidth` configuration parameter when `EnforcedStyle` is `indented`.

What it means

Error "The `Layout/MultilineMethodCallIndentation` cop only accepts an `IndentationWidth` configuration parameter when `EnforcedStyle` is `indented`." thrown in rubocop/rubocop.

Source

Thrown at lib/rubocop/cop/layout/multiline_method_call_indentation.rb:60

      #   end
      #
      #   # good
      #   myvariable = Thing
      #                  .a
      #                  .b
      #                  .c
      #
      class MultilineMethodCallIndentation < Base # rubocop:disable Metrics/ClassLength
        include ConfigurableEnforcedStyle
        include Alignment
        include MultilineExpressionIndentation
        include RangeHelp
        extend AutoCorrector

        def validate_config
          return unless style == :aligned && cop_config['IndentationWidth']

          raise ValidationError,
                'The `Layout/MultilineMethodCallIndentation` ' \
                'cop only accepts an `IndentationWidth` ' \
                'configuration parameter when ' \
                '`EnforcedStyle` is `indented`.'
        end

        private

        def find_base_receiver(node)
          base_receiver = node
          base_receiver = base_receiver.receiver while base_receiver.receiver
          base_receiver
        end

        def find_pair_ancestor(node)
          node.each_ancestor do |ancestor|
            return ancestor if ancestor.pair_type?
            break if grouped_expression?(ancestor) || inside_arg_list_parentheses?(node, ancestor)

View on GitHub (pinned to ea712edf2b)

When it happens

Trigger: Thrown at lib/rubocop/cop/layout/multiline_method_call_indentation.rb:60 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of rubocop/rubocop@ea712edf2b (2026-08-21). Data as JSON: /api/errors/e22ee1a59c9b8b6c. Report an issue: GitHub.