( ! ) Fatal error: Uncaught Error: Interface "Google\Auth\ExternalAccountCredentialSourceInterface" not found in C:\wamp64\www\upload\vendor\google\auth\src\CredentialSource\ExecutableSource.php on line 78
( ! ) Error: Interface "Google\Auth\ExternalAccountCredentialSourceInterface" not found in C:\wamp64\www\upload\vendor\google\auth\src\CredentialSource\ExecutableSource.php on line 78
Call Stack
#	Time	Memory	Function	Location
1	0.0339	583856	{main}( )	...\ExecutableSource.php:0