TOPIC: Link Changes on Menu Item

Hi,

Something odd is happening on our site. I created a menu item for a single event and selected our Fall Conference from the drop down list. A few days later the link was changed to another event. I fixed it a day or two later it changed. I fixed it again yesterday and it changed again today.

I have not had any other Admins logged into the backend in the last two days. What could cause this?