Fatal error: Uncaught Error: Call to undefined function imagecreatetruecolor() in /var/www/Library-Exercises/01-Library/vendor/spipu/html2pdf/examples/res/example09.png.php:24
Stack trace:
#0 {main}
thrown in /var/www/Library-Exercises/01-Library/vendor/spipu/html2pdf/examples/res/example09.png.php on line 24