jit-grunt | JIT plugin loader for Grunt | Compiler library

Looking for hours, still no luck.. Tried to run a very old Gruntfile (with imagemin and sass) which used to work. Imagemin is working, sass is not.

The error it throws is:

Could not find an option named "include-paths". Warning: Exited with error code 64 Use --force to continue. Aborted due to warnings.

I installed npm. I installed grunt-contrib-sass. I have sass & ruby installed.

where sass gives: C:\Users..\AppData\Roaming\npm\sass C:\Users..\AppData\Roaming\npm\sass.cmd

where ruby gives: C:\Ruby26-x64\bin\ruby.exe

This is a snippet of my Gruntfile, in case you need extra info, I will put it in completely:

There are plenty of tutorials online for this, but after two days of struggle - I have to get some assistance. I am trying to to add a namespace to Bootstrap so I can use it in Salesforce without interfering with Salesforce's stylesheet. My goal is to wrap the bootstrap.less with .bs{} so I may refer to it on my page as a resource. It seems that no matter what, the bootstrap.css isn't compiling.

After running grunt clean in magento 2.1.3 root folder I get error

I got a problem using grunt

The warning sign is

I have a mean stack application which i am building under docker container. But it is throwing some error while performing npm install which is not critical. I want to ignore all thosse errors.

This is what i am trying:-

I'm very new to the JS ecosystem so please excuse some foolish mistakes I make. :-)

I'm trying to use Yeoman to generate an AngularJS application. I did that but on doing 'grunt serve' I get the error that:

This is my first test in grunt:). Anyway,I want to test my javasrcipt code using the different grunt modules. They are all installed and you can see them,in a json file called package.json.