Cannot read properties of undefined (reading 'shard')

client.moon = new MoonlinkManager(
    [
        {
            host: "localhost",
            port: 2333,
            secure: true,
            password: "password"
        }
    ],
    {
        /* Options */
    },
      (id, data) => {
    let guild = client.guilds.cache.get(id);
    if (guild) guild.shard.send(JSON.parse(data));
  }
)

client.moon = new MoonlinkManager(
    [
        {
            host: "localhost",
            port: 2333,
            secure: true,
            password: "password"
        }
    ],
    {
        /* Options */
    },
      (id, data) => {
    let guild = client.guilds.cache.get(id);
    if (guild) guild.shard.send(JSON.parse(data));
  }
)