Fatal error: Uncaught Error: Call to a member function setAttribute() on null in /home/public/includes/classes/org/active-link/xml/XMLDocument.php:146 Stack trace: #0 /home/public/includes/odfxml.inc.php(47): XMLDocument->setEncoding('UTF-8') #1 /home/public/export/export_odfxml.php(31): odfDocument(Object(mysqli_result), 'spreadsheet') #2 /home/public/search.php(1758): exportRecords(Object(mysqli_result), '', '5', '', 'Export') #3 /home/public/search.php(586): generateExport(Object(mysqli_result), '', '5', 'ODF XML', 'file', '', 'Export', '', 0) #4 {main} thrown in /home/public/includes/classes/org/active-link/xml/XMLDocument.php on line 146