( ! ) Fatal error: Class 'Twilio\InstanceResource' not found in C:\wamp64\www\pws_product_NS\Twilio\Rest\Api\V2010\Account\BalanceInstance.php on line 31
Call Stack
#	Time	Memory	Function	Location
1	0.0156	365608	{main}( )	...\BalanceInstance.php:0