How to configure SCSS in phpStorm?

Question

phpstorm

Tell me how to overcome SCSS in phpStorm
When compiling the simplest expression
$base_color: #7299bf;
cmd.exe /D /CC:/Ruby193/bin/scss.bat --no-cache --update t2:t2.css
error t2 (Line 1: Invalid CSS after "# 7299bf": expected expression (eg 1px, bold), was ";")
Process finished with exit code 1
Ruby193
Sass version 3.4.9