C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/markdown_helper-2.3.0/bin/_include: Could not read includee file: (MarkdownHelper::UnreadableIncludeeError)
  Backtrace (innermost include first):
    Level 0:
      Includer:
        Location: markdown/use_cases/include/diagnose_missing_includee/includer_2.md:0
        Include pragma: @[:markdown](includer_3.md)
      Includee:
        File path: markdown/use_cases/include/diagnose_missing_includee/includer_3.md
    Level 1:
      Includer:
        Location: markdown/use_cases/include/diagnose_missing_includee/includer_1.md:0
        Include pragma: @[:markdown](includer_2.md)
      Includee:
        File path: markdown/use_cases/include/diagnose_missing_includee/includer_2.md
    Level 2:
      Includer:
        Location: markdown/use_cases/include/diagnose_missing_includee/includer_0.md:0
        Include pragma: @[:markdown](includer_1.md)
      Includee:
        File path: markdown/use_cases/include/diagnose_missing_includee/includer_1.md
    Level 3:
      Includer:
        Location: markdown/use_cases/include/diagnose_missing_includee/includer.md:0
        Include pragma: @[:markdown](includer_0.md)
      Includee:
        File path: markdown/use_cases/include/diagnose_missing_includee/includer_0.md