Fatal error: Uncaught Error: Class 'Zend_Search_Lucene_Document_OpenXml' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Search\Lucene\Document\Xlsx.php:39 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Search\Lucene\Document\Xlsx.php on line 39