Hi,
To fix this issue, please go to file: app/code/local/Sns/Megamenu/Block/List.php find and replace the bellow code:
$haveHttp = strpos($link, "http://");
if(!$haveHttp && ($haveHttp!==0)){
By:
$haveHttp = strpos($link, "http://"); $haveHttps = strpos($link, "https://");
if(!$haveHttp && ($haveHttp!==0) && !$haveHttps && ($haveHttps!==0)){
