Error: not found in admin -> configuration -> sm quickview

Fatal error: Call to a member function toOptionArray() on a non-object in …/app/code/core/Mage/Adminhtml/Block/System/Config/Form.php on line 463

or not found in admin -> configuration -> sm quickview

Solution:

Please go to \app\code\local\Sm\Quickview\etc\system.xml and find:

=> change to:

Wish you success.