text, otherwise subsequent call to <code><a href="reference/datashield.errors.html">datashield.errors()</a></code> is required to get the details of the errors. Default value is <code>FALSE</code>.</li>
<li>
<code>datashield.polling.sleep.0</code> time in seconds to wait before checking async calls completion, before ~1 second. Default value 50 milliseconds.</li>
<li>
<code>datashield.polling.sleep.1</code> base time in seconds to wait before checking async calls completion, after ~1 second. Default value i