Fatal error: Uncaught Error: Class 'PhpSigep\Exception' not found in C:\xampp\htdocs\ecommerce\php-sigep-master\src\PhpSigep\Pdf\Exception\InvalidChancelaEntry.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ecommerce\php-sigep-master\src\PhpSigep\Pdf\Exception\InvalidChancelaEntry.php on line 5