( ! ) Fatal error: Class 'Maatwebsite\Excel\Events\Event' not found in C:\wamp64\www\cportal\vendor\maatwebsite\excel\src\Events\BeforeImport.php on line 7
Call Stack
#	Time	Memory	Function	Location
1	0.0003	398288	{main}( )	...\BeforeImport.php:0