Fatal error: Uncaught Error: Class 'Twilio\InstanceResource' not found in /home/wittyly/public_html/live/hr-witty/vendor/twilio/sdk/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOnInstance.php:34 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/vendor/twilio/sdk/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOnInstance.php on line 34