Which directive displays an error message in SASS?

• The @debug directive can display the error message in SASS.
• This directive detects the error in the code then displays the error in the format of sassScript expression.

myStyle2.scss

prim: yellow
$sec: 2px black solid;
  .container{
              @debug $prime;
            @debug $sec;
        }

              form{
                   color:green;
                  background-color:$prim;
                  border:$sec;
                   }