( ! ) Fatal error: Trait 'Aws\Retry\RetryHelperTrait' not found in C:\wamp64\www\ws\vendor\aws\aws-sdk-php\src\RetryMiddlewareV2.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0725	404632	{main}( )	...\RetryMiddlewareV2.php:0