Fix babele-register.js for subskills when core is not first compendium checked

modules/babele-register.js

@@ -257,8 +257,12 @@ Hooks.once('init', () => {
                     s1 = res[1].trim() + " ( )";
                     translItem = game.babele.translate(compData.metadata.id, { name: s1, type: "skill" }, true)
                     translw = translItem?.name || undefined
-                    let res2 = re.exec(translw);
-                    transl = res2[1] + "(" + subword + ")";
+                    if(translw) {
+                      let res2 = re.exec(translw);
+                      transl = res2[1] + "(" + subword + ")";
+                    } else {
+                      transl = res[1] + " (" + subword + ")";
+                    }
                   }
                 }
               }