An uncaught Exception was encountered

Type: Error

Message: Call to undefined function Dompdf\mb_internal_encoding()

Filename: /home/gamcvisa/public_html/pointtable/application/third_party/dompdf/src/Dompdf.php

Line Number: 274

Backtrace:

File: /home/gamcvisa/public_html/pointtable/application/controllers/Frontend.php
Line: 9
Function: library

File: /home/gamcvisa/public_html/pointtable/index.php
Line: 315
Function: require_once