Fatal error: Uncaught Exception: Data has already been sent to output (/home2/jbswbdv/public_html/wp-content/mu-plugins/jbs_network/src/mpdf/vendor/mpdf/mpdf/src/Mpdf.php at line 6562), unable to output PDF file
in /home2/jbswbdv/public_html/wp-content/mu-plugins/jbs_network/src/mpdf/vendor/mpdf/mpdf/src/Mpdf.php on line 9512

Call stack:

1. Mpdf\Mpdf::Output()
   wp-content/mu-plugins/jbs_network/autoload/pdf.php:229
2. jbsn_create_pdf()
   wp-content/mu-plugins/jbs_network/autoload/pdf.php:91
3. jbsn_generate_pdf_if_needed()
   wp-includes/class-wp-hook.php:324
4. WP_Hook::apply_filters()
   wp-includes/class-wp-hook.php:348
5. WP_Hook::do_action()
   wp-includes/plugin.php:565
6. do_action_ref_array()
   wp-includes/class-wp.php:830
7. WP::main()
   wp-includes/functions.php:1336
8. wp()
   wp-blog-header.php:16
9. require()
   index.php:17