Invalid response status: 307 / 426

[robsontenorio]

This happens randomly:

Invalid response status: 426
Invalid response status: 307

exception 'Exception' with message 'Invalid response status: 307' 
in /var/www/arena_api/vendor/fahim/laravel5-paypal-ipn/src/PaypalIPNListener.php:290

#0 /var/www/arena_api/app/Http/Controllers/SubscriptionController.php(142): Fahim\PaypalIPN\PaypalIPNListener->processIpn()
#1 [internal function]: App\Http\Controllers\SubscriptionController->notificacao(Object(Illuminate\Http\Request))
#2 /var/www/arena_api/vendor/illuminate/container/Container.php(507): call_user_func_array(Array, Array)
#3 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1399): Illuminate\Container\Container->call(Array, Array)
#4 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1364): Laravel\Lumen\Application->callControllerCallable(Array, Array)
#5 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1335): Laravel\Lumen\Application->callLumenController(Object(App\Http\Controllers\SubscriptionController), 'notificacao', Array)
#6 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1303): Laravel\Lumen\Application->callControllerAction(Array)
#7 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1288): Laravel\Lumen\Application->callActionOnArrayBasedRoute(Array)
#8 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1207): Laravel\Lumen\Application->handleFoundRoute(Array)
#9 [internal function]: Laravel\Lumen\Application->Laravel\Lumen\{closure}(Object(Illuminate\Http\Request))
#10 /var/www/arena_api/vendor/illuminate/pipeline/Pipeline.php(139): call_user_func(Object(Closure), Object(Illuminate\Http\Request))
#11 /var/www/arena_api/app/Http/Middleware/ArenaAuthPre.php(46): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#12 [internal function]: App\Http\Middleware\ArenaAuthPre->handle(Object(Illuminate\Http\Request), Object(Closure))
#13 /var/www/arena_api/vendor/illuminate/pipeline/Pipeline.php(124): call_user_func_array(Array, Array)
#14 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#15 /var/www/arena_api/vendor/illuminate/pipeline/Pipeline.php(103): call_user_func(Object(Closure), Object(Illuminate\Http\Request))
#16 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1439): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#17 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1213): Laravel\Lumen\Application->sendThroughPipeline(Array, Object(Closure))
#18 /var/www/arena_api/vendor/laravel/lumen-framework/src/Application.php(1153): Laravel\Lumen\Application->dispatch(Object(Illuminate\Http\Request))
#19 /var/www/arena_api/public/index.php(29): Laravel\Lumen\Application->run(Object(Illuminate\Http\Request))