react sandbox in the playground section is not transpiling.

Error:
sandbox.95fa50f0.js:271 Error during service worker registration: DOMException: Failed to register a ServiceWorker for scope ('https://sandpack-0-0-39.codesandbox.io/') with script ('https://sandpack-0-0-39.codesandbox.io/sandbox-service-worker.js'): The user denied permission to use Service Worker.