Mailchimp API error: 404 Not Found. Resource Not Found.

from Ovatheme was bundled

connected via API key
custom integration
form code (dev asked me to choose the list choice (CHAACA)), not sure why a checkbox is on a simple subscribe form

<p>
    <label>List choice</label>
    <label>
        <input type="checkbox" name="_mc4wp_lists[]" value="cda7e2ab26" checked="true"> <span>CHAACA</span>
    </label>
</p>
<div class="ova-mc4wp-form">                      
  <div class="email">
    <label>
      <span class="visuallyhidden"> Email </span>
      <input type="email" name="email" placeholder="Enter address" required />
    </label>
  </div>
  <div class="submit">
    <button type="submit" aria-label="Subscribe">
      <span class="text">Subscribe</span>
    </button>
  </div>
</div>
<p class="visuallyhidden">
    <label>
       <input name="_mc4wp_lists[]" type="checkbox" value="Ovatheme" checked>
       <span>Ovatheme</span>
    </label>
</p>

renewed the MC audiences – audience = CHAACA
audience ID = cda7e2ab26
on submission form redirects to a blog post

ERROR

[2024-10-24 23:42:32] ERROR: Form 136 > Mailchimp API error: 404 Not Found. Resource Not Found. The requested resource could not be found.
Request:
POST https://us1.api.mailchimp.com/3.0/lists/Ovatheme/members
{“status”:”pending”,”email_address”:”mike**@mo*.com”,”interests”:{},”merge_fields”:{},”email_type”:”html”,”ip_signup”:”173.61.0.140″,”tags”:[]}
Response:
404 Not Found
{“type”:”https://mailchimp.com/developer/marketing/docs/errors/”,”title”:”Resource Not Found”,”status”:404,”detail”:”The requested resource could not be found.”,”instance”:”16ddce99-913d-7f37-1514-b332ea4f8ec3″}

The page I need help with: [log in to see the link]