I upgraded my magento installation from 1.9 to 126.96.36.199 so I can get the configurable swatches option, which is supported by my there but when I go to system > config > configurable swatches I get the following error:
Fatal error: Call to a member function toOptionArray() on a non-object in /home/***/app/code/core/Mage/Adminhtml/Block/System/Config/Form.php on line 463
I have tried to clear cache/disabled the compilation, re-installed the mage_adminhtml but still nothing. Really need to fix this soon so any suggestion is highly appreciated.
Thanks in advance.