Laravel 5.2 And Ajax Failed To Load Resource: The Server Responded With A Status Of 500

Hi i m trying to make To do list application with laravel and ajax the probleme is if i tr to add,edit, delete a Task i get a Failed to load resource: the server responded with a

Solution 1:

the problem was with

Route::post('/tasks',function(Request $request){
    $task = Task::create($request::all());

    return Response::json($task);
});

Route::put('/tasks/{task_id?}',function(Request $request,$task_id){
    $task = Task::find($task_id);

So i resolve the probleme by adding \Illuminate\Http\Request as type of $request