title: PHPExcel - Error Cyclic Reference in Formula
body: <p>I keep reciving this error "Cyclic Reference in Formula".</p>
  
  <p>When I am trying to download my excel file.</p>
  
  <p>Now when im deleting the '=' from formula's from my file </p>
  
  <pre><code>$this-&gt;exportObj-&gt;setActiveSheetIndex(0)
                                  -&gt;setCellValue(strtoupper($this-&gt;abc[$currentColumn]).$currentLine, (str_replace("=", "", $column)) );
  </code></pre>
  
  <p>I can download the file but ofcourse the formala won't work..</p>
  
  <p>This is my excel file:
  <a href="http://www.2shared.com/document/SPtnvq6e/excel.html" rel="nofollow">http://www.2shared.com/document/SPtnvq6e/excel.html</a></p>
  
  <p>What is wrong with my formulas there?
  I cant see anything that I'm doing wrong..</p>