Hotfix. Broken on start with empty storage. Responsible in mobile.

jitsimeter.js

@@ -26,7 +26,7 @@ $(document).ready(function() {
         stateSave: true,
         info: false,
         order: 3,
-        responsive: true,
+        scrollX: true,
         fixedHeader: true,
         "paging":   false,
         "columns": [
@@ -92,6 +92,8 @@ $(document).ready(function() {
 // })
 
 function restoreData(table) {
+  if (!window.jitsimeterResults) return false;
+
   let storedResults = JSON.parse(window.jitsimeterResults);
 
   for (i in storedResults[0]) {