Invalid argument supplied for foreach()

[sprankhub]

With the latest release 1.5.1, I get a warning when loading the page. Here is the relevant part of it:

Warning: Invalid argument supplied for foreach()  in /var/www/myshop/.modman/TheExtensionLab_MegaMenu/app/code/community/TheExtensionLab/MegaMenu/Model/Menu/Populator.php on line 23

#0 /var/www/myshop/.modman/TheExtensionLab_MegaMenu/app/code/community/TheExtensionLab/MegaMenu/Model/Menu/Populator.php(23): mageCoreErrorHandler(2, 'Invalid argumen...', '/var/www/chiptu...', 23, Array)
#1 /var/www/myshop/.modman/TheExtensionLab_MegaMenu/app/code/community/TheExtensionLab/MegaMenu/Model/Menu/Populator.php(38): TheExtensionLab_MegaMenu_Model_Menu_Populator->_addCategoriesToMenuParentNode(NULL, Object(Varien_Data_Tree_Node), Object(Mage_Page_Block_Html_Topmenu), true)
#2 /var/www/myshop/.modman/TheExtensionLab_MegaMenu/app/code/community/TheExtensionLab/MegaMenu/Model/Menu/Populator.php(18): TheExtensionLab_MegaMenu_Model_Menu_Populator->_addCategoriesToMenuParentNode(Array, Object(Varien_Data_Tree_Node), Object(Mage_Page_Block_Html_Topmenu), true)
#3 /var/www/myshop/.modman/TheExtensionLab_MegaMenu/app/code/community/TheExtensionLab/MegaMenu/Model/Observer.php(23): TheExtensionLab_MegaMenu_Model_Menu_Populator->addCategoriesToMenu(Object(Varien_Data_Tree_Node), Object(Mage_Page_Block_Html_Topmenu))
#4 /var/www/myshop/shop/app/code/core/Mage/Core/Model/App.php(1358): TheExtensionLab_MegaMenu_Model_Observer->pageBlockHtmlTopmenuGetHtmlBefore(Object(Varien_Event_Observer))
#5 /var/www/myshop/shop/app/code/core/Mage/Core/Model/App.php(1337): Mage_Core_Model_App->_callObserverMethod(Object(TheExtensionLab_MegaMenu_Model_Observer), 'pageBlockHtmlTo...', Object(Varien_Event_Observer))
#6 /var/www/myshop/shop/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('page_block_html...', Array)
#7 /var/www/myshop/shop/app/code/core/Mage/Page/Block/Html/Topmenu.php(75): Mage::dispatchEvent('page_block_html...', Array)
#8 /var/www/myshop/.modman/TheExtensionLab_MegaMenu/app/design/frontend/base/default/template/theextensionlab/megamenu/page/html/topmenu.phtml(20): Mage_Page_Block_Html_Topmenu->getHtml('level-top')

Flat tables enabled and built.

[JamesAnelay]

Ok thanks, I see that now with developer mode enabled, fix to follow shortly.