title: I have a problem with discord.js v12 when trying to run the bot
body: <p>im running a discord.js v12 bot and when i try to run it
  this error pops up</p>
  <pre><code>      client.user.setActivity(newActivity);
                    ^
  
  TypeError: Cannot read properties of null (reading 'setActivity')
      at Timeout._onTimeout (C:\Users\Alexu\Desktop\cookie checker\events\ready.js:19:19)
      at listOnTimeout (node:internal/timers:568:17)
      at processTimers (node:internal/timers:510:7)
  </code></pre>