@font-face {
    font-family: 'Source Sans Pro';
    font-style: normal;
    font-weight: 300;
    src: local('Source Sans Pro Light'),
       local('SourceSansPro-Light'),
       url(<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function esc_url() in /home/stor2162/public_html/wp-content/plugins/wishlist-member/assets/fonts/fonts.php:7
Stack trace:
#0 {main}
  thrown in <b>/home/stor2162/public_html/wp-content/plugins/wishlist-member/assets/fonts/fonts.php</b> on line <b>7</b><br />