Fatal error: Uncaught Error: Class 'PHPExcel_Writer_OpenDocument_WriterPart' not found in C:\isanto\web\titan_84\www\adds\visor_certificado\libs\phpoffice\PHPExcel\Writer\OpenDocument\Content.php:37
Stack trace:
#0 {main}
thrown in C:\isanto\web\titan_84\www\adds\visor_certificado\libs\phpoffice\PHPExcel\Writer\OpenDocument\Content.php on line 37