Uncaught Exception: Data has already been sent to output, unable to output PDF file
in /home/adversit/public_html/wp-content/plugins/pdf-print-pro/vendor/mpdf/mpdf/src/Mpdf.php on line 9545
Call stack:
Mpdf\Mpdf::Output()
pdfprnt_print()
WP_Hook::apply_filters()
WP_Hook::do_action()
do_action_ref_array()
WP::main()
wp()
require('/home/adversit/public_html/wp-blog-header.php')