Warning: A non-numeric value encountered in /var/www/wp-content/plugins/pdf-print/mpdf/mpdf.php on line 30575

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /var/www/wp-content/plugins/pdf-print/mpdf/classes/ttfontsuni.php:613 Stack trace: #0 /var/www/wp-content/plugins/pdf-print/mpdf/classes/ttfontsuni.php(202): TTFontFile->extractInfo(false, true, 255) #1 /var/www/wp-content/plugins/pdf-print/mpdf/mpdf.php(3880): TTFontFile->getMetrics('/var/www/wp-con...', 'dejavusansmono', 0, false, true, 255) #2 /var/www/wp-content/plugins/pdf-print/mpdf/mpdf.php(4246): mPDF->AddFont('dejavusansmono', '') #3 /var/www/wp-content/plugins/pdf-print/mpdf/mpdf.php(13624): mPDF->SetFont('dejavusansmono') #4 /var/www/wp-content/plugins/pdf-print/mpdf/mpdf.php(1287): mPDF->SetDefaultFont('dejavusansmono') #5 /var/www/wp-content/plugins/pdf-print/pdf-print.php(1391): mPDF->__construct('', 'A4', 11.0, 'dejavusansmono', 15, 15, 16, 16) #6 /var/www/wp-includes/class-wp-hook.php(324): pdfprnt_print(Object(WP)) #7 /var/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #8 /var/www/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #9 /var/www/wp-includes/class-wp.php(830): do_action_ref_array('wp', Array) #10 /var/www/wp-includes/functions.php(1336): WP->main('') #11 /var/www/wp-blog-header.php(16): wp() #12 /var/www/index.php(17): require('/var/www/wp-blo...') #13 {main} thrown in /var/www/wp-content/plugins/pdf-print/mpdf/classes/ttfontsuni.php on line 613