Solucion build

src/app/(admins)/administrador/crear-formulario/page.tsx

@@ -525,7 +525,7 @@ export default function AdminFormPage() {
         )}
       </div>
 
-      <Button onClick={guardarFormulario} color="success">
+      <Button onClick={guardarFormulario} color="success" disabled={loading}>
         Guardar formulario
       </Button>
     </>

src/utils/api-config.ts

@@ -2,6 +2,10 @@ import axios from 'axios';
 
 const API = process.env.NEXT_PUBLIC_API_URL;
 
+if (!API) {
+  throw new Error('ERROR is not defined');
+}
+
 const axiosInstance = axios.create({
   baseURL: API, // Replace with your API base URL
   timeout: 100000, // Request timeout in milliseconds