Support » Plugin: Send PDF for Contact Form 7 » Fatal Error after saving.

  • When I create a new PDF it’s works fine but after I save and/or try to open a saved PDF it shows the following error message:

    Fatal error: Uncaught Error: Call to undefined function mb_internal_encoding() in …/wp-content/plugins/send-pdf-for-contact-form-7/mpdf/mpdf.php:1785 Stack trace: #0 …/wp-content/plugins/send-pdf-for-contact-form-7/mpdf/mpdf.php(1230): mPDF->setMBencoding(‘UTF-8’) #1 …/wp-content/plugins/send-pdf-for-contact-form-7/views/send-pdf-admin.php(189): mPDF->__construct(‘utf-8’, ‘A4-P’) #2 …/wp-content/plugins/send-pdf-for-contact-form-7/classes/send-pdf.php(138): include(‘/var/www/html/j…’) #3 …/wp-includes/class-wp-hook.php(286): cf7_sendpdf->wpcf7pdf_dashboard_html_page(”) #4 …/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(”, Array) #5 …/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #6 …/wp-admin/admin.php(224): do_action(‘contacto_page_w…’) #7 {main} thrown in …/wp-content/plugins/send-pdf-for-contact-form-7/mpdf/mpdf.php on line 1785wp-content/plugins/send-pdf-for-contact-form-7/mpdf/mpdf.php on line 1785

    I hope you can help.

    Thank you,
    Diogo Rosa

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