( ! ) Fatal error: Class 'Twilio\InstanceResource' not found in C:\wamp64\www\pws_product\Twilio\Rest\Messaging\V1\DomainCertsInstance.php on line 37
Call Stack
#	Time	Memory	Function	Location
1	0.0000	376072	{main}( )	...\DomainCertsInstance.php:0