Fatal error: Uncaught Error: Call to undefined function Mpdf\mb_internal_encoding() in /home/prodrevi/public_html/wp-content/plugins/dk-pdf/vendor/mpdf/mpdf/src/Mpdf.php:1096 Stack trace: #0 /home/prodrevi/public_html/wp-content/plugins/dk-pdf/includes/dkpdf-functions.php(164): Mpdf\Mpdf->__construct(Array) #1 /home/prodrevi/public_html/wp-includes/class-wp-hook.php(286): dkpdf_output_pdf(Object(WP)) #2 /home/prodrevi/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #3 /home/prodrevi/public_html/wp-includes/plugin.php(515): WP_Hook->do_action(Array) #4 /home/prodrevi/public_html/wp-includes/class-wp.php(726): do_action_ref_array('wp', Array) #5 /home/prodrevi/public_html/wp-includes/functions.php(960): WP->main('') #6 /home/prodrevi/public_html/wp-blog-header.php(16): wp() #7 /home/prodrevi/public_html/index.php(17): require('/home/prodrevi/...') #8 {main} thrown in /home/prodrevi/public_html/wp-content/plugins/dk-pdf/vendor/mpdf/mpdf/src/Mpdf.php on line 1096