Adding code for create attributes in category general information Tab in adminsidde error

Question

app\design\adminhtml\default\default\template\page\header.phml adding code for create attributes in category general tab i adding this code

    require_once('app/Mage.php');
Mage::app()->setCurrentStore(Mage::getModel('core/store')->load(Mage_Core_Model_App::ADMIN_STORE_ID));
$installer = new Mage_Sales_Model_Mysql4_Setup;
$attribute  = array(
    'type' => 'int',
    'label'=> 'Your attribute label',
    'input' => 'boolean',
    'global' => Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_GLOBAL,
    'visible' => true,
    'required' => false,
    'user_defined' => true,
    'default' => "",
    'group' => "General Information"
);
$installer->addAttribute('catalog_category', 'your_attribute_code', $attribute);
$installer->endSetup();

then i display error in magento category tab

Fatal error: Class 'Varien_Data_Form_Element_Boolean' not found in \magento\lib\Varien\Data\Form\Abstract.php on line 146

after remove this code after display this error what can do to solve this error

Answer 1

I am finding this answer in this link https://stackoverflow.com/questions/5718954/varien-data-form-element-int-not-found-in-magento

in this link it working for me. i do 2 down vote

Try to change 'input' => 'int', to 'input' => 'text',. If this register is already on table, go to eav_attribute search for your row and change the field frontend_input to text.