подскажите что не так делаю?
$form['type_1'] = array(
'#title' => t('1.5т, 8-10 куб.м'),
'#type' => 'fieldset',
);
$form['type_1']['price'] = array(
'#title' => t('Price'),
'#description' => t('Enter a pricing'),
'#type' => 'textfield',
'#default_value' => 0,
'#required' => true,
'#element_validate' => array('element_validate_integer_positive'),
);
$form['type_2'] = array(
'#title' => t('1.5т, 8-10 куб.м'),
'#type' => 'fieldset',
);
$form['type_2']['price'] = array(
'#title' => t('Price'),
'#description' => t('Enter a pricing'),
'#type' => 'textfield',
'#default_value' => 0,
'#required' => true,
'#element_validate' => array('element_validate_integer_positive'),
);
у этих полей атрибут name одинаковый