ere is no package called ‘Callr’&gt;
#&gt;  in process 
#&gt; --&gt;
#&gt; &lt;callr_remote_error in library(Callr): there is no package called ‘Callr’&gt;</code></pre>
<p>The error objects has two parts. The first is the error object thrown in
the main process, and the second is the error object from the the
subprocess. We can extract more information from <code>err</code>:</p>
<pre class="r"><code>err$status
#&gt; [1] 0
err$parent
#&gt; &lt;callr_remote_error in library(Callr): there is no package