Update ControlsWaiter.js

src/web/ControlsWaiter.js

@@ -355,9 +355,11 @@ ControlsWaiter.prototype.supportButtonClick = function() {
     const reportBugInfo = document.getElementById("report-bug-info");
     const saveLink = this.generateStateUrl(true, true, null, "https://gchq.github.io/CyberChef/");
 
-    reportBugInfo.innerHTML = "* CyberChef compile time: " + COMPILE_TIME + "\n" +
-        "* User-Agent: \n" + navigator.userAgent + "\n" +
-        "* [Link to reproduce](" + saveLink + ")\n\n";
+    if (reportBugInfo) {
+        reportBugInfo.innerHTML = "* CyberChef compile time: " + COMPILE_TIME + "\n" +
+            "* User-Agent: \n" + navigator.userAgent + "\n" +
+            "* [Link to reproduce](" + saveLink + ")\n\n";
+    }
 };
 
 export default ControlsWaiter;