( ! ) Fatal error: Trait 'Aws\Signature\SignatureTrait' not found in C:\wamp64\www\ws\vendor\aws\aws-sdk-php\src\S3\PostObjectV4.php on line 18
Call Stack
#	Time	Memory	Function	Location
1	0.0849	404488	{main}( )	...\PostObjectV4.php:0