Call to undefined function imagecreatetruecolor() on line 1756 in /var/www/html/forum/includes/class_image.php<br />
#0 /var/www/html/forum/includes/class_image.php(1698): vB_Image_GD->fetch_image_resource(201, 61)<br />
#1 /var/www/html/forum/image.php(148): vB_Image_GD->print_image_from_string('vBulletin', false)<br />
#2 {main}<br /><br /><br /><b>Fatal User Error</b>: Call to undefined function imagecreatetruecolor() on line 1756 in ..../includes/class_image.php
 in <strong>..../vb/vb.php</strong> on line <strong>286</strong><br />