phoenix elixir Error: Node Sass version 5.0.0 is incompatible with ^4.0.0. code example

Example 1: Error: Node Sass version 5.0.0 is incompatible with ^4.0.0.

with npm =>
1.npm uninstall node-sass
2.npm install node-sass@4.14.1
with yarn => 
1.yarn remove node-sass
2.yarn remove node-sass@4.14.1

Example 2: Error: Node Sass version 5.0.0 is incompatible with ^4.0.0

All Possible Solution added Here 

https://exerror.com/error-node-sass-version-5-0-0-is-incompatible-with-4-0-0/