( ! ) Fatal error: Class 'Lcobucci\JWT\Signer\Ecdsa' not found in C:\wamp64\www\pbapi\vendor\lcobucci\jwt\src\Signer\Ecdsa\Sha512.php on line 18
Call Stack
#	Time	Memory	Function	Location
1	0.0000	400328	{main}( )	...\Sha512.php:0