[24-Sep-2020 18:21:30 UTC] PHP Fatal error:  Class 'HTMLPurifier_AttrDef' not found in /home/spring17/public_html/xiaomigrate/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI.php on line 7
[24-Sep-2020 18:21:43 UTC] PHP Fatal error:  Class 'HTMLPurifier_AttrDef' not found in /home/spring17/public_html/xiaomigrate/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Enum.php on line 10
[24-Sep-2020 18:23:46 UTC] PHP Fatal error:  Class 'HTMLPurifier_AttrDef' not found in /home/spring17/public_html/xiaomigrate/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php on line 14
[24-Sep-2020 18:33:35 UTC] PHP Fatal error:  Class 'HTMLPurifier_AttrDef' not found in /home/spring17/public_html/xiaomigrate/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Integer.php on line 10
[24-Sep-2020 18:44:55 UTC] PHP Fatal error:  Class 'HTMLPurifier_AttrDef' not found in /home/spring17/public_html/xiaomigrate/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Text.php on line 6
[28-Dec-2020 16:50:22 UTC] PHP Fatal error:  Class 'HTMLPurifier_AttrDef' not found in /home/spring17/public_html/xiaomigrate/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/Clone.php on line 7
