Fatal error: Uncaught Twilio\Exceptions\RestException: [HTTP 400] Unable to create record: The phone number you are attempting to call, +52, is not valid. in /opt/lampp/htdocs/twilio/vendor/twilio/sdk/src/Twilio/Version.php:85 Stack trace: #0 /opt/lampp/htdocs/twilio/vendor/twilio/sdk/src/Twilio/Version.php(219): Twilio\Version->exception(Object(Twilio\Http\Response), 'Unable to creat...') #1 /opt/lampp/htdocs/twilio/vendor/twilio/sdk/src/Twilio/Rest/Api/V2010/Account/CallList.php(90): Twilio\Version->create('POST', '/Accounts/AC148...', Array, Array) #2 /opt/lampp/htdocs/twilio/functions.php(312): Twilio\Rest\Api\V2010\Account\CallList->create('+52', NULL, Object(Twilio\Values)) #3 /opt/lampp/htdocs/twilio/call.php(17): connect('', '', NULL) #4 {main} thrown in /opt/lampp/htdocs/twilio/vendor/twilio/sdk/src/Twilio/Version.php on line 85