slugify fixed

front-ui/app/globals.js

@@ -29,6 +29,9 @@ module.exports = {
     PikpayKey: "Ribica",
 
     Slugify: function(text) {
+        if(!text) {
+          text = ""; 
+        }
         return text.toString().toLowerCase()
             .replace(/š/g,'s')
             .replace(/[čć]/g,'c')