title: exception 'NSInvalidArgumentException' NSHealthUpdateUsageDescritption
body: <p>Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'NSHealthUpdateUsageDescription must be set in the app's Info.plist in order to request write authorization.'</p>
  
  <p>Info.plist has this entry</p>
  
  <pre><code>&lt;key&gt;NSHealthShareUsageDescription&lt;/key&gt;
  &lt;string&gt;some string value stating the reason&lt;/string&gt;
  </code></pre>