FatalErrorException in ClassLoader.php line 347:

I'm trying to create a form that when I person hits submit then an email is sent to the email that the person provided. When I hit submit I get this error

FatalErrorException in ClassLoader.php line 347: 
Maximum function nesting level of '100' reached, aborting!

This is my usersController

<?php namespace Modules\Users\Http\Controllers;

use Pingpong\Modules\Routing\Controller;
Use Mail;
use Modules\Users\Models\User;
use Illuminate\Support\Facades\Input;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Facades\Request;
use Illuminate\Support\Facades\Response;

class UsersController extends Controller {
public function store()
    {
        $users = new User();

        //Gets all the input in the fields in the form
        $input = Input::all();

        //Checks the input fields against the validation rules in the User model
        $validation = Validator::make($input, User::$rules);

        //If the validation fails the a message will pop up saying that there was validation errors
        if($validation->fails()){
            return redirect()->route('admin.users.create')
                    ->withInput()
                    ->withErrors($validation)
                    ->with('message', 'There were validation errors');
        }

        //If the validation passes then an email is sent to the user
        if($validation->passes()){
            $users->name = Input::get('name');
            $users->email = Input::get('email');
            $users->image = Input::get('image');

            //Gets the password that was generated from the User model
            $password = $users->generatePassword();

            //Takes the generated password and hashes it to make it secure
            $users->password = bcrypt($password);

            $data = array(
                    'name' => Input::get('name'),
                    'email' => Input::get('email'),
                    'password' => $password,
                );

            //Sends the data into an email to be sent off
            Mail::send('emails.login', $data, function($message){
                $message->to(Input::get('email'), Input::get('name'))->subject('Your login details');
            });

            //Saves the user
            $users->save();
            $users = User::all();
            return view('users::admin.index', compact('users'));
        }
    }
}