Error message

• Warning: Illegal string offset 'hex' in Style->set_color() (line 1418 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/style.cls.php).
• Warning: Illegal string offset 'hex' in Style->set_color() (line 1418 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/style.cls.php).
• Warning: Illegal string offset 'hex' in Style->set_color() (line 1418 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/style.cls.php).
• Notice: Undefined offset: 0 in Style->get_font_size() (line 836 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/style.cls.php).
• Warning: Division by zero in Cpdf->getTextWidth() (line 3707 of /var/www/hps/htdocs/sites/all/libraries/dompdf/lib/class.pdf.php).
• Warning: Division by zero in Text_Frame_Decorator->get_margin_height() (line 90 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/text_frame_decorator.cls.php).
• Notice: Undefined offset: 0 in Style->get_font_size() (line 836 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/style.cls.php).
• Warning: Division by zero in Text_Frame_Decorator->get_margin_height() (line 90 of /var/www/hps/htdocs/sites/all/libraries/dompdf/include/text_frame_decorator.cls.php).