Magento – PHP Fatal error: Call to a member function toHtml() on a non-object in app/code/core/Mage/Core/Model/Layout.php on line 529

Błąd:
PHP Fatal error: Call to a member function toHtml() on a non-object in /home/www/magia-spa.pl/public_html/app/code/core/Mage/Core/Model/Layout.php on line 529,
Fix:

Change:
<block type=”core/profiler” output=”toHtml”/>
to
<block type=”core/profiler” output=”toHtml” name=”core_profiler”/>

in page.xml under app/design/frontend/base/default/layout