( ! ) Fatal error: Interface 'Aws\Crypto\MaterialsProviderInterfaceV2' not found in C:\wamp64\www\ws\aws\Aws\Crypto\MaterialsProviderV2.php on line 4
Call Stack
#	Time	Memory	Function	Location
1	0.0001	402640	{main}( )	...\MaterialsProviderV2.php:0