Fatal error: Uncaught Error: Class 'TCPDF' not found in /home/httpsrejanstsapp/public_html/protected/extensions/_returnitifnotworking_tcpdf/examples/example_020.php:32 Stack trace: #0 {main} thrown in /home/httpsrejanstsapp/public_html/protected/extensions/_returnitifnotworking_tcpdf/examples/example_020.php on line 32