Fatal error: Uncaught Error: Class 'TCPDF' not found in C:\Apache24\htdocs\PortalUIS_bkp\libs\PDFMerge\tcpdf\tcpdi.php:22 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\PortalUIS_bkp\libs\PDFMerge\tcpdf\tcpdi.php on line 22