laravel route doesn't exist though it exits

Question

This is my route:

Route::post('admins.login', 'AdminsController@login');

This is my form

{{ Form::open(array('route' => 'admins.login', 'class' => 'loginClass', 'method' => 'post')) }}

This is the exception:

Route [admins.login] not defined. 

The method:

public function login(){
        echo "Save Time";exit;
    }

Edit

I already tried making / instead of . in all situations

Answer 1

Route definition for a named route:

Route::post('admins/login', array('uses' => 'AdminsController@login', 'as' => 'admins.login'));

Form:

{{ Form::open(array('route' => 'admins.login', 'class' => 'loginClass')) }}