Update apps/bundle-analyzer/app/page.tsx

Co-authored-by: vercel[bot] <35613825+vercel[bot]@users.noreply.github.com>

Author: wbinnssmith

apps/bundle-analyzer/app/page.tsx

@@ -159,7 +159,7 @@ export default function Home() {
         <div className="basis-2/3 flex justify-end">
           {error && (
             <div className="text-sm text-red-600 font-medium">
-              Error: {error}
+              Error: {error?.message}
             </div>
           )}