Menu dispareing when visititing current page [closed]

It sounds like you may have some CSS that is targeting and hiding one of the current menu item classes added by WordPress, such as .current-menu-item or .current_page_item. The code you’ve posted does not cause menu items to disappear as has been described.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)