Itgenoda138 Frequent HTTP 502 "Bad Gateway" on Odoo.sh API calls

When downloading data from Odoo such Odoo.res.partner, a download frequently registers a Bad Gateway error (HTTP status 502):

<html>
   <head>
      <title>Odoo.sh | Platform Error</title>
      <link href='//fonts.googleapis.com/css?family=Lato:300,400,700,300italic,400italic,700italic' rel='stylesheet' type='text/css'>
      <link href='/static/http_error.css' rel='stylesheet' type='text/css'>
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   <body>
      <div id="http_error">
          <div class="message"> 
            <a href='https://www.odoo.sh'><img src='/static/odoo_sh_logo.png' alt='Odoo.sh Cloud Platform' ></a>
            <h2>Bad Gateway</h2>
            <p>
                The server, while acting as a gateway or proxy, received an invalid response
                from the upstream server it accessed in attempting to fulfill the request.
            </p>
            <p class="note">
                If you have any question or remark please contact <a href="https://www.odoo.com/help">our support</a>.
            </p>
            <div class="date">
                Saturday, 22-Apr-2023 10:38:01 GMT
            </div>
          </div>
      </div>
   </body>
</html>

See the following topic:

It seems that itgenoda138 and/or itgenoda359 (with a shrink-wrapped itgenoda138 error) can occur on Odoo due to time-outs on the Odoo API server.