( ! ) Fatal error: Class 'HTMLPurifier_AttrDef' not found in C:\wamp64\www\libs\phpspreadsheet\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\URI.php on line 8
Call Stack
#	Time	Memory	Function	Location
1	0.0031	250888	{main}( )	...\URI.php:0