MpdfException: Invalid input characters

  • Resolved peter lipp

    (@peter-lipp)


    7 years, 4 months ago

    Just got this error when trying to produce a PDF. In detail:

    Fatal error: Uncaught Mpdf\MpdfException: Invalid input characters. Did you set $mpdf->in_charset properly? in /home/.sites/856/site3670/web/pbc-wp/wp-content/plugins/pdf-print/vendor/mpdf/mpdf/src/Mpdf.php:28352

    Stack trace:
    #0 /home/.sites/856/site3670/web/pbc-wp/wp-content/plugins/pdf-print/vendor/mpdf/mpdf/src/Mpdf.php(14828): Mpdf\Mpdf->purify_utf8(‘\r\n\t\t\tWriteHTML(‘\r\n\t\t\tapply_filters(”, Array)
    #4 /home/.sites/856/site3670/web/pbc-wp/wp-includes/plugin.php(515): WP_Hook->do_action(Array)
    #5 /home/.sites/856/site3670/web/pbc-wp/wp-includes/class-wp.php(728): do_action_ref_array(‘wp’, Array)
    #6 /home/.sites/856/site3670/web/pbc-wp/wp-includes/functions.php(964): WP->main(”)
    #7 /home/.sit in /home/.sites/856/site3670/web/pbc-wp/wp-content/plugins/pdf-print/vendor/mpdf/mpdf/src/Mpdf.php on line 28352

Viewing 1 replies (of 1 total)
  • Plugin Author bestwebsoft

    (@bestwebsoft)

    7 years, 1 month ago

    Hi,

    Thank you for contacting us!

    Could you please specify which PHP version is installed on your server?

    It seems like you are using 7.x.x PHP version on your site, if so – please follow the next instructions in order to upgrade MPDF library for PDF & Print plugin:
    1) Go to PDF & Print settings page;
    2) Open the “Misc” tab;
    3) Click the “Upgrade” button;
    4) Test the PDF doc creation and let us know about the result.

Viewing 1 replies (of 1 total)

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