fix: reporting handler

app/Exceptions/Handler.php

@@ -55,10 +55,12 @@ class Handler extends ExceptionHandler
             }
             app('sentry')->configureScope(
                 function (Scope $scope) {
+                    $email = auth()?->user() ? auth()->user()->email : 'guest';
+                    $instanceAdmin = User::find(0)->email ?? 'admin@localhost';
                     $scope->setUser(
                         [
-                            'email' => auth()->user()->email,
-                            'instanceAdmin' => User::find(0)->email
+                            'email' => $email,
+                            'instanceAdmin' => $instanceAdmin
                         ]
                     );
                 }