Fatal error: Uncaught Mpdf\MpdfException: Invalid input characters. Did you set $mpdf->in_charset properly? in /home/rrcrunbd/public_html/vendor/mpdf/mpdf/src/Mpdf.php:26115 Stack trace: #0 /home/rrcrunbd/public_html/vendor/mpdf/mpdf/src/Mpdf.php(13265): Mpdf\Mpdf->purify_utf8('\r\n\t\t<style>\r\n ...', false) #1 /home/rrcrunbd/public_html/result-detail.php(114): Mpdf\Mpdf->WriteHTML('\r\n\t\t<style>\r\n ...') #2 {main} thrown in /home/rrcrunbd/public_html/vendor/mpdf/mpdf/src/Mpdf.php on line 26115