Fatal error: Uncaught Error: Class "setasign\Fpdi\PdfParser\CrossReference\AbstractReader" not found in /opt/bitnami/apache/htdocs/common/php_lib/TCPDF-main/fpdi/PdfParser/CrossReference/LineReader.php:22 Stack trace: #0 {main} thrown in /opt/bitnami/apache/htdocs/common/php_lib/TCPDF-main/fpdi/PdfParser/CrossReference/LineReader.php on line 22