Bugs with Communication Component in IB

Hi, experts, I faced with very strange problem.

We've got some business system as Communication Component for a long time. Today, I can't find it in Directory, in objects (like interface determination or receiver determination) if I click on this component it's not found!

So, I try to assign Business System from SLD, but received a message - already exists.

I've refreshed CPA, SLD caches, but it didn't help.