Fatal error: Uncaught Exception: FPDF error: Some data has already been output, can't send PDF file in /var/app/current/vendor/setasign/fpdf/fpdf.php:267 Stack trace: #0 /var/app/current/vendor/setasign/fpdf/fpdf.php(1058): FPDF->Error() #1 /var/app/current/vendor/setasign/fpdf/fpdf.php(1004): FPDF->_checkoutput() #2 /var/app/current/techniserve_cm/classes/map.class.php(5023): FPDF->Output() #3 /var/app/current/hps/classes/page.class.php(285): map->pdf_map() #4 /var/app/current/hps/classes/record_manager.class.php(908): page->display_interactive_map() #5 /var/app/current/hps/classes/record_manager.class.php(182): record_manager->display_site_map() #6 /var/app/current/hps/classes/record_manager.class.php(117): record_manager->action_controller() #7 /var/app/current/hps/classes/controller.class.php(107): record_manager->__construct() #8 /var/app/current/hps/classes/controller.class.php(82): controller->class_director() #9 /var/app/current/hps/conf/controller.inc.php(20): controller->__construct() #10 /var/app/current/hps/conf/bootloader.inc.php(104): require_once('...') #11 /var/app/current/hps/conf/config.inc.php(114): require_once('...') #12 /var/app/current/public/hps/index.php(30): require_once('...') #13 {main} thrown in /var/app/current/vendor/setasign/fpdf/fpdf.php on line 267