Warning: imagecreatefrompng(/var/www/html/tcpdf/examples/certificados/Formato.png): failed to open stream: No such file or directory in /var/www/html/tcpdf/examples/tcpdf/tcpdf.php.suspected on line 7039

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/tcpdf/examples/tcpdf/tcpdf.php.suspected:7039) in /var/www/html/tcpdf/examples/tcpdf/tcpdf.php.suspected on line 7630
TCPDF ERROR: Some data has already been output to browser, can't send PDF file