title: 'The Android App Bundle was not signed.' when I upload my Unity project in the Play Store Console
body: <p>I've been stuck for a while now on the issue that whenever I try to upload my project (.aab file) in the Play Store, I get the 'The Android App Bundle was not signed.' error.
  <a href="https://i.stack.imgur.com/1SBFI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1SBFI.png" alt="enter image description here" /></a></p>
  <p>These are the file properties:</p>
  <p><a href="https://i.stack.imgur.com/rVEW6.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rVEW6.png" alt="enter image description here" /></a></p>
  <p>I also got this error and I don't know what to do with it:</p>
  <p><a href="https://i.stack.imgur.com/bxjlD.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bxjlD.png" alt="enter image description here" /></a></p>
  <p>And lastly, these are my build settings:</p>
  <p><a href="https://i.stack.imgur.com/hjT2q.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hjT2q.png" alt="enter image description here" /></a></p>
  <p>Any help would be greatly appreciated!</p>
  <p>EDIT: Here is the key of the project</p>
  <p><a href="https://i.stack.imgur.com/4Vcaj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4Vcaj.png" alt="enter image description here" /></a></p>