Fatal error: Uncaught Error: Class 'PHPExcel_RichText_TextElement' not found in C:\isanto\web\titan_84\www\adds\visor_certificado2\libs\phpoffice\PHPExcel\RichText\Run.php:34 Stack trace: #0 {main} thrown in C:\isanto\web\titan_84\www\adds\visor_certificado2\libs\phpoffice\PHPExcel\RichText\Run.php on line 34