Fatal error: Uncaught Twilio\Exceptions\ConfigurationException: username is required in /var/www/html/prod/vendor/twilio/sdk/src/Twilio/Base/BaseClient.php:167 Stack trace: #0 /var/www/html/prod/vendor/twilio/sdk/src/Twilio/Domain.php(64): Twilio\Base\BaseClient->request() #1 /var/www/html/prod/vendor/twilio/sdk/src/Twilio/Version.php(57): Twilio\Domain->request() #2 /var/www/html/prod/vendor/twilio/sdk/src/Twilio/Version.php(212): Twilio\Version->request() #3 /var/www/html/prod/vendor/twilio/sdk/src/Twilio/Rest/Trunking/V1/TrunkList.php(79): Twilio\Version->create() #4 /var/www/html/prod/vendor/twilio/sdk/example/trunk.php(13): Twilio\Rest\Trunking\V1\TrunkList->create() #5 {main} thrown in /var/www/html/prod/vendor/twilio/sdk/src/Twilio/Base/BaseClient.php on line 167