title: Module build failed (from ./node_modules/sass-loader/dist/cjs.js)
body: <p>I'm trying to run my angular 9 app on windows 10 but getting the following error while trying to serve it locally. Have a look at the error below:</p>
  <blockquote>
  <p>ERROR in ./src/assets/sass/pickandpay.scss (./node_modules/css-loader/dist/cjs.js??ref--13-1!./node_modules/postcss-loader/src??embedded!./node_modules/sass-loader/dist/cjs.js??ref--13-3!./src/assets/sass/pickandpay.scss)
  Module build failed (from ./node_modules/sass-loader/dist/cjs.js):
  SassError: Undefined variable: &quot;$white-color&quot;.
  on line 99 of src/assets/sass/pickandpay/_base.scss
  from line 3 of H:\pick&amp;pay_eCommerce\pickandpay-client\src\assets\sass\pickandpay.scss
  color: $white-color;
  ---------^</p>
  </blockquote>
  <p>pickandpay.scss:</p>
  <pre class="lang-css prettyprint-override"><code>// Core CSS
  
  @import &quot;pickandpay/base&quot;;
  @import &quot;pickandpay/blog-details&quot;;
  @import &quot;pickandpay/blog-sidebar&quot;;
  @import &quot;pickandpay/blog&quot;;
  @import &quot;pickandpay/breadcrumb&quot;;
  @import &quot;pickandpay/checkout&quot;;
  @import &quot;pickandpay/contact&quot;;
  @import &quot;pickandpay/footer&quot;;
  @import &quot;pickandpay/header&quot;;
  @import &quot;pickandpay/hero&quot;;
  @import &quot;pickandpay/home-page&quot;;
  @import &quot;pickandpay/mixins&quot;;
  @import &quot;pickandpay/responsive&quot;;
  @import &quot;pickandpay/shop-details&quot;;
  @import &quot;pickandpay/shop-grid&quot;;
  @import &quot;pickandpay/shoping-cart&quot;;
  @import &quot;pickandpay/sidebar&quot;;
  @import &quot;pickandpay/variable&quot;;
  @import &quot;pickandpay/style.scss&quot;;
  </code></pre>
  <p>_base.scss:</p>
  <pre class="lang-css prettyprint-override"><code>html,
  body {
    height: 100%;
    font-family: 'Cairo', sans-serif;
    -webkit-font-smoothing: antialiased;
    font-smoothing: antialiased;
  }
  
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0;
    color: #111111;
    font-weight: 400;
    font-family: 'Cairo', sans-serif;
  }
  
  h1 {
    font-size: 70px;
  }
  
  h2 {
    font-size: 36px;
  }
  
  h3 {
    font-size: 30px;
  }
  
  h4 {
    font-size: 24px;
  }
  
  h5 {
    font-size: 18px;
  }
  
  h6 {
    font-size: 16px;
  }
  
  p {
    font-size: 16px;
    font-family: 'Cairo', sans-serif;
    color: #6f6f6f;
    font-weight: 400;
    line-height: 26px;
    margin: 0 0 15px 0;
  }
  
  img {
    max-width: 100%;
  }
  
  input:focus,
  select:focus,
  button:focus,
  textarea:focus {
    outline: none;
  }
  
  a:hover,
  a:focus {
    text-decoration: none;
    outline: none;
    color: $white-color;
  }
  
  ul,
  ol {
    padding: 0;
    margin: 0;
  }
  
  /*---------------------
    Helper CSS
  -----------------------*/
  .section-title {
    margin-bottom: 50px;
    text-align: center;
  
    h2 {
      color: $normal-color;
      font-weight: 700;
      position: relative;
  
      &amp;:after {
        position: absolute;
        left: 0;
        bottom: -15px;
        right: 0;
        height: 4px;
        width: 80px;
        background: $primary-color;
        content: &quot;&quot;;
        margin: 0 auto;
      }
    }
  }
  
  .set-bg {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top center;
  }
  
  .spad {
    padding-top: 100px;
    padding-bottom: 100px;
  }
  
  .text-white h1,
  .text-white h2,
  .text-white h3,
  .text-white h4,
  .text-white h5,
  .text-white h6,
  .text-white p,
  .text-white span,
  .text-white li,
  .text-white a {
    color: #fff;
  }
  
  /* buttons */
  .primary-btn {
    display: inline-block;
    font-size: 14px;
    padding: 10px 28px 10px;
    color: $white-color;
    text-transform: uppercase;
    font-weight: 700;
    background: $primary-color;
    letter-spacing: 2px;
  }
  
  .site-btn {
    font-size: 14px;
    color: $white-color;
    font-weight: 800;
    text-transform: uppercase;
    display: inline-block;
    padding: 13px 30px 12px;
    background: $primary-color;
    border: none;
  }
  
  /* Preloder */
  #preloder {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 999999;
    background: #000;
  }
  
  .loader {
    width: 40px;
    height: 40px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -13px;
    margin-left: -13px;
    border-radius: 60px;
    animation: loader 0.8s linear infinite;
    -webkit-animation: loader 0.8s linear infinite;
  }
  
  @keyframes loader {
    0% {
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
      border: 4px solid #f44336;
      border-left-color: transparent;
    }
  
    50% {
      -webkit-transform: rotate(180deg);
      transform: rotate(180deg);
      border: 4px solid #673ab7;
      border-left-color: transparent;
    }
  
    100% {
      -webkit-transform: rotate(360deg);
      transform: rotate(360deg);
      border: 4px solid #f44336;
      border-left-color: transparent;
    }
  }
  
  @-webkit-keyframes loader {
    0% {
      -webkit-transform: rotate(0deg);
      border: 4px solid #f44336;
      border-left-color: transparent;
    }
  
    50% {
      -webkit-transform: rotate(180deg);
      border: 4px solid #673ab7;
      border-left-color: transparent;
    }
  
    100% {
      -webkit-transform: rotate(360deg);
      border: 4px solid #f44336;
      border-left-color: transparent;
    }
  }
  </code></pre>
  <p>I tried googling it and do everything about it but didn't find any solution.</p>
  <p>node -v12.16.1</p>
  <p>Angular CLI version 9.1.4</p>