Fatal error: Uncaught Error: Class "setasign\Fpdi\Tcpdf\Fpdi" not found in /opt/bitnami/apache/htdocs/common/php_lib/TCPDF-main/fpdi/TcpdfFpdi.php:20 Stack trace: #0 {main} thrown in /opt/bitnami/apache/htdocs/common/php_lib/TCPDF-main/fpdi/TcpdfFpdi.php on line 20