Storefront:hot-proxy generates error

Shopware 6 (English) Installation / Getting Started (EN)
2

The problem is a current bug in the file /app/platform/src/Storefront/Resources/app/storefront/src/scss/skin/shopware/page/checkout/_cart-item.scss

As a temporary fix you can change the code in line 38 from:

a&:hover {
  color: $primary;
  text-decoration: none;
}

to:

a {
  &:hover {
    color: $primary;
    text-decoration: none;
  }
}

There is already an issue on github, which was resolved 8 days ago: