an class="ne">ValueError</span><span class="p">(</span><span class="s1">&#39;ERROR: The number of field types, times and steps &#39;</span>
                         <span class="s1">&#39;are not the same! Please check the settings in the &#39;</span>
                         <span class="s1">&#39;CONTROL file!&#39;</span><span class="p">)</span>

    <span class="c1"># if pure forecast is selected and only one field type/time is set</span>
    <span class="c1"># prepare a complete list of type/time/step com