Fatal error: Uncaught Error: Class 'XSLTProcessor' not found in D:\xampp\htdocs\elmontedesion\sis_bib\modelo\htmlpurifier-4.15.0\extras\ConfigDoc\HTMLXSLTProcessor.php:16 Stack trace: #0 D:\xampp\htdocs\elmontedesion\sis_bib\modelo\htmlpurifier-4.15.0\configdoc\generate.php(45): ConfigDoc_HTMLXSLTProcessor->__construct() #1 {main} thrown in D:\xampp\htdocs\elmontedesion\sis_bib\modelo\htmlpurifier-4.15.0\extras\ConfigDoc\HTMLXSLTProcessor.php on line 16