Call Ajax

hello.

I'm trying to make a post with ajax and I get the error 500, could someone help me

My Routes

PHP Code:

$routes->get('app-admin', '\Modules\admin\Controllers\Auth::login');

 $routes->get('app-admin/auth/authenticate', '\Modules\admin\Controllers\Auth::authenticate');
 $routes->get('app-admin/auth/recovery', '\Modules\admin\Controllers\Auth::recovery');
 $routes->get('app-admin/auth/logout', '\Modules\admin\Controllers\Auth::logout');
 $routes->get('app-admin/auth/update_password', '\Modules\admin\Controllers\Auth::update_password'); 


My login.js

Code:

$(document).ready(function(){

    var APP_URL = $("#app_url").data("url");

    $("#login").validate({
        errorContainer: "#erroLogin",
        errorLabelContainer: "#erroLogin",
        wrapper: "p",
        errorElement: 'p',
        ignore: [],
        rules: {
            senha: "required",
            email: {
                required: true,
                email: true
            }
        },
        messages: {
            senha: "Informe sua senha",
            email: {
                required: "Informe seu email",
                email: "Informe um email válido"
            }
        },
        submitHandler: function(form) {
            var submitTxt = $("#submitLogin").html();
            $("#submitLogin").html("Aguarde...");
            var request = $.ajax({
                url: APP_URL+"/auth/authenticate/",
                method: "POST",
                data: $(form).serialize(),
                cache: false,
                processData: false,
                dataType: "JSON"
            });
            request.done(function( msg ) {
                if(msg.status != 200){
                    div = '<div class="alert alert-warning alert-dismissable" style="margin-top:10px;">';
                    div += '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>';
                    div +=  msg.response;    
                    div += '</div>';
                    $("#submitLogin").html(submitTxt);
                    $( "#erroLogin" ).html( div ).css({'display': 'block'});
                }else{
                    $("#submitLogin").html( msg.response);
                    location.href= APP_URL+'/dashboard';
                }
            });
            request.fail(function( jqXHR, textStatus ) {
                $("#submitLogin").html(submitTxt);
                console.log( "Request failed: " + textStatus );
            });

            return false;
        }
    });

    
});

Login.php

PHP Code:

<?php echo view('\Modules\admin\Views\template\head') ?>

<div class="flex-row align-items-center">


    <div class="container">
        <div class="row justify-content-center">
          <div class="col-md-5">
            <div class="card-group" style="margin-top: 20%;">
              <div class="card p-4">
                <div class="card-body">


                     <form id="login" method="POST" action="">
                      <h1>Login</h1>
                      <p class="text-muted">Olá, seja bem vindo.</p>
                      <div class="input-group mb-3">
                        <div class="input-group-prepend">
                          <span class="input-group-text"><i class="icon-user"></i></span>
                        </div>
                        <input type="email" class="form-control" id="email" name="email">
                      </div>
                      <div class="input-group mb-4">
                        <div class="input-group-prepend">
                          <span class="input-group-text"><i class="icon-lock"></i></span>
                        </div>
                        <input type="password" class="form-control" id="senha" name="senha">
                      </div>
                      <div class="row">
                        <div class="col-6">
                          <button type="submit" id="submitLogin" class="btn btn-primary px-4">Entrar</button>
                        </div>
                        <div class="col-6 text-right">
                          <a href="admin\recovery" class="btn btn-link px-0">Esqueceu a senha?</a>
                        </div>
                      </div>
                      </form>
                      <div id="erroLogin"></div>
                </div>
              </div>

            </div>
          </div>
        </div>
    </div>

    
</div>
<?php 
$js = array('/resource/admin/js/custom/login.js'); 
echo view('\Modules\admin\Views\template\footer', array('js'=>$js, 'login'=>true)); 
?>

My Controller

PHP Code:

public function login(){
        echo view('\Modules\admin\Views\auth\login');
    }


    public function authenticate(){


        if ($this->request->isAJAX()) {
            $prodID = service('request')->getPost('id');
            var_dump($this->request->getPost('id'));
        } 
        if(!$this->input->is_ajax_request()){
            $this->output("Forbidden", 403);
        }

        $email = $this->input->post('email');
        $senha = $this->input->post('senha');

        $email = strtolower(trim( strip_tags( $email ) ));
        if(!filter_var($email, FILTER_VALIDATE_EMAIL)){
            $this->output("O email informado é inválido.", 404);
        }            

        if(empty($senha)){
            $this->output("Informe a senha.", 404);
        }

        $user = $this->_model->UserByEmailSenha( $email, sha1($senha) );

        if(!$user){
            $this->output("Nenhum usuário encontrado para o email e senha informados.", 404);
        }

        if($user['ativo'] == 0){
            $this->output("Sua conta se encontra desativada.", 404);
        }

        $sessao = array(
            'id'=> $user['id'],
            'nome'=> $user['nome'],
            'email'=> $user['email']
        );

        foreach ($sessao as $key => $value) {
            $this->session->set_userdata($key, $value);
        }

        if($this->session->id){
            $this->output("Redirecionando...", 200);
        }else{
            $this->output("Falha na autenticação. Tente novamente.", 404);
        }

    } 


And error:

Code:

jquery.min.js:4 POST http://localhost:8090/app-admin/auth/authenticate 500 (Internal Server Error)