Fatal error: Uncaught Error: Call to undefined function mb_internal_encoding() in /home/willowg1/public_html/wp-content/plugins/pdf-print-older/mpdf/mpdf.php:1785 Stack trace: #0 /home/willowg1/public_html/wp-content/plugins/pdf-print-older/mpdf/mpdf.php(1230): mPDF->setMBencoding('UTF-8') #1 /home/willowg1/public_html/wp-content/plugins/pdf-print-older/pdf-print.php(1058): mPDF->__construct('', 'A4', 0, 'dejavusansmono', 15, 15, 16, 16) #2 /home/willowg1/public_html/wp-includes/class-wp-hook.php(286): pdfprnt_print(Object(WP)) #3 /home/willowg1/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 /home/willowg1/public_html/wp-includes/plugin.php(515): WP_Hook->do_action(Array) #5 /home/willowg1/public_html/wp-includes/class-wp.php(728): do_action_ref_array('wp', Array) #6 /home/willowg1/public_html/wp-includes/functions.php(960): WP->main('') #7 /home/willowg1/public_html/wp-blog-header.php(16): wp() #8 /home/willowg1/public_html/index.php(17): require('/home/willowg1/...') #9 {main} t in /home/willowg1/public_html/wp-content/plugins/pdf-print-older/mpdf/mpdf.php on line 1785