request.cf.botManagement.score not working

`"exceptions": [
    {
      "name": "TypeError",
      "message": "Cannot read properties of undefined (reading 'score')",
      "timestamp": 1691488611986
    }
  ],
 

export default {
  async fetch(request, env, ctx) {
    return new Response(`score: ${request.cf.botManagement.score}`);
  },
};