Fatal error: Uncaught Error: Class "Dompdf\Positioner\AbstractPositioner" not found in C:\xampp\htdocs\pruebas\Financiera\dompdf\src\Positioner\Fixed.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\pruebas\Financiera\dompdf\src\Positioner\Fixed.php on line 17