e class="docutils literal notranslate"><span class="pre">type_error(predicate_indicator,</span> <span class="pre">Predicate)</span></code></div>
</div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">Functor</span></code> is neither a variable nor an atom:</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">type_error(atom,</span> <span class="pre">Functor)</span></code></div>
</div>
<div class="line"><code class="docut