I have install supee-7405 patch after than topmenu is not displaying in frontend because menu block dont have permission than when i add new premission for block gives this error
Fatal error: Call to a member function
setData()on a non-object in/app/code/core/Mage/Adminhtml/controllers/Permissions/BlockController.phpon line 113
How to solve this problem
app/design/adminhtml/default/default/layout/admin.xmlfile :<block type="adminhtml/permissions_block_edit" name="adminhtml.permissions.block.edit"/>(it should be under the<adminhtml_permissions_block_edit>handle) – Raphael at Digital Pianism Jan 27 '16 at 13:10