Fatal error: Uncaught Error: Class "setasign\Fpdi\FpdiException" not found in /opt/bitnami/apache/htdocs/common/php_lib/FPDI-2.5.0/src/PdfReader/PdfReaderException.php:18 Stack trace: #0 {main} thrown in /opt/bitnami/apache/htdocs/common/php_lib/FPDI-2.5.0/src/PdfReader/PdfReaderException.php on line 18