or: #555555;'> 15. </span><span>(function (e)  ...
#&gt; </span><span style='color: #BB0000;font-weight: bold;'>
#&gt;  x there is no package called ‘Callr’ </span><span>
</span></CODE></PRE>
<p>The trace starts with the anonymous function that we passed to <code>callr::r()</code>,
and it is annotated with package names and source references, if they are
available.</p>
</div>
<div id="the-last-error" class="section level2">
<h2>The last error</h2>
<p>Often, the error object is uncaught, i.e. we don’t