Fatal error: Uncaught Error: Class "Facebook\Helpers\FacebookSignedRequestFromInputHelper" not found in /home/dario/Servidor/larroque/vendor/facebook/graph-sdk/src/Facebook/Helpers/FacebookCanvasHelper.php:31
Stack trace:
#0 {main}
thrown in /home/dario/Servidor/larroque/vendor/facebook/graph-sdk/src/Facebook/Helpers/FacebookCanvasHelper.php on line 31