Fix combat hud crashing when creature has no type or class

CHANGELOG

@@ -6,6 +6,7 @@
 - Use fly speed for movement when active token is elevated
 - Add default weapon sets for actors
 - Shorten "Full Round" action bar label to "Full"
+- Fix combat hud crashing when creature has no type or class
 
 ## v0.9.3
 - Exclude 0 level classes from token description

modules/util.mjs

@@ -1,7 +1,7 @@
 export const stripRollFlairs = (formula) => formula.replace(/\[[^\]]*]/g, "");
 
 export function ucFirst(string) {
-    return string.charAt(0).toUpperCase() + string.slice(1);
+    return string ? string.charAt(0).toUpperCase() + string.slice(1) : '';
 }
 
 export function unique(array) {