i have just migrate from 1.6 to 1.7, and now i get some error, hope someone can help me.
ContextErrorException in 69400fbcc52dd04afd988a187328b7c44d5817d1.file.category.tpl.php line 1275:Notice: Undefined index: should_be_displayed
in 69400fbcc52dd04afd988a187328b7c44d5817d1.file.category.tpl.php line 1275
at ErrorHandler->handleError('8', 'Undefined index: should_be_displayed', '/app/cache/dev/smarty/compile/layouts_layout_left_column_tpl/69/40/0f/69400fbcc52dd04afd988a187328b7c44d5817d1.file.category.tpl.php', '1275', array('_smarty_tpl' => object(Smarty_Dev_Template))) in 69400fbcc52dd04afd988a187328b7c44d5817d1.file.category.tpl.php line 1275
at content_5dc2a4ffde8fd4_49885923(object(Smarty_Dev_Template)) in 69400fbcc52dd04afd988a187328b7c44d5817d1.file.category.tpl.php line 986
at content_5dc2a4ffaf5bb5_59782745(object(Smarty_Dev_Template)) in 69400fbcc52dd04afd988a187328b7c44d5817d1.file.category.tpl.php line 314
at content_5dc2a500074880_75354233(object(Smarty_Dev_Template)) in smarty_internal_templatebase.php line 188
at Smarty_Internal_TemplateBase->fetch('catalog/listing/category.tpl', null, 'layouts/layout-left-column.tpl', null, false, true, false) in SmartyDev.php line 41
at SmartyDev->fetch('catalog/listing/category.tpl', null, 'layouts/layout-left-column.tpl') in FrontController.php line 663
at FrontControllerCore->smartyOutputContent('catalog/listing/category.tpl') in FrontController.php line 644
at FrontControllerCore->display() in Controller.php line 225
at ControllerCore->run() in Dispatcher.php line 369
at DispatcherCore->dispatch() in index.php line 28