">"a"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Error : the full stack is shown (set this off with setDreamerr_show_stack(FALSE))</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [01] tryCatch(withCallingHandlers({</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [02] tryCatchList(expr, classes, parentenv, handlers)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [03] tryCatchOne(tryCa