Fatal error: Uncaught Error: Class 'Facebook\FacebookSignedRequestFromInputHelper' not found in /datadrive/home/floraly/public_html/sprintmarketing_secure/fbapp_todo/includes/facebook-sdk/tests/FacebookSignedRequestFromInputHelperTest.php:5 Stack trace: #0 {main} thrown in /datadrive/home/floraly/public_html/sprintmarketing_secure/fbapp_todo/includes/facebook-sdk/tests/FacebookSignedRequestFromInputHelperTest.php on line 5