Notice: Trying to get property 'display_name' of non-object in /home/nomisim/www/wp-content/plugins/pdf-print/pdf-print.php on line 1305

Fatal error: Uncaught Mpdf\MpdfException: Data has already been sent to output, unable to output PDF file in /home/nomisim/www/wp-content/uploads/vendor/mpdf/mpdf/src/Mpdf.php:9545 Stack trace: #0 /home/nomisim/www/wp-content/plugins/pdf-print/pdf-print.php(1412): Mpdf\Mpdf->Output('', 'D') #1 /home/nomisim/www/wp-includes/class-wp-hook.php(324): pdfprnt_print(Object(WP)) #2 /home/nomisim/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #3 /home/nomisim/www/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #4 /home/nomisim/www/wp-includes/class-wp.php(830): do_action_ref_array('wp', Array) #5 /home/nomisim/www/wp-includes/functions.php(1336): WP->main('') #6 /home/nomisim/www/wp-blog-header.php(16): wp() #7 /home/nomisim/www/index.php(17): require('/home/nomisim/w...') #8 {main} thrown in /home/nomisim/www/wp-content/uploads/vendor/mpdf/mpdf/src/Mpdf.php on line 9545