( ! ) Fatal error: Class 'Maatwebsite\Excel\Events\Event' not found in C:\wamp64\www\cportal\vendor\maatwebsite\excel\src\Events\BeforeWriting.php on line 7
Call Stack
#	Time	Memory	Function	Location
1	0.0008	398312	{main}( )	...\BeforeWriting.php:0