import grpc from 'k6/net/grpc';
import { check, sleep } from 'k6';

const client = new grpc.Client();

client.load(['protos'], 'authzed/api/v1/permissions_service.proto');
client.load(['protos'], 'authzed/api/v1/core.proto');
client.load(['protos'], 'buf/validate/validate.proto');

export let options = {
  stages: [
    { duration: '5s', target: 5 },
    { duration: '10s', target: 5 },
    { duration: '5s', target: 0 },
  ],
};

const BASE_URL = 'localhost:50051';
const TOKEN = 'abc';

export default () => {
  client.connect(BASE_URL, { plaintext: true });

  const metadata = {
    Authorization: Bearer ${TOKEN},
  };

  const checkPayload = {
    resource: {
      objectType: 'module',
      objectId: 'AdPlatform',
    },
    permission: 'role',
    subject: {
      object: {
        objectType: 'user',
        objectId: 'test@example.com',
      },
    },
  };

  const response = client.invoke(  'authzed.api.v1.PermissionsService/CheckPermission', checkPayload, { metadata });

  check(response, {
    'permission check status is OK': (r) => r && r.status === grpc.StatusOK,
  });

  client.close();
  sleep(1);
};

this is k6 script i have written for validation test . but i am facing issue with protobuf files and getting this error, help me resolve this issue