( ! ) Fatal error: Uncaught Error: Class 'Nexmo\Client\Callback\Callback' not found in C:\Users\Lenovo\Documents\college\vendor\nexmo\client-core\src\Message\Callback\Receipt.php on line 12
( ! ) Error: Class 'Nexmo\Client\Callback\Callback' not found in C:\Users\Lenovo\Documents\college\vendor\nexmo\client-core\src\Message\Callback\Receipt.php on line 12
Call Stack
#	Time	Memory	Function	Location
1	0.1560	363528	{main}( )	...\Receipt.php:0