$ hugo server
Building sites … ERROR 2019/06/28 15:52:11 error: failed to transform resource: TOCSS: failed to transform "styles/main-rendered.scss" (text/x-scss): this feature is not available in your current Hugo version, see https://goo.gl/YMrWcn for more information
Total in 17 ms
Error: Error building site: logged 1 error(s)
I can't build site.
OS: windows 10 hugo: hugo_0.55.5_Windows-64bit