( ! ) Fatal error: Interface 'Aws\Crypto\MaterialsProviderInterfaceV2' not found in C:\wamp64\www\ws\vendor\aws\aws-sdk-php\src\Crypto\MaterialsProviderV2.php on line 4
Call Stack
#TimeMemoryFunctionLocation
10.0023408688{main}( )...\MaterialsProviderV2.php:0