Bug- No way to exit blockedit when i close blockedit dialog

i imported one CAD model into my rhino work. then i go to blockedit to make some changes. after that i exit blockedit.

but for second time in blockedit, i press undo button couple time and after that i close the blockedit dialog but to my surprise the blockedit was still active and there is no way to come out of it. even i tried importing the file into another blank file but there seems no way to recover it.

I don’t see any file in the link

Apart from that, I think the objects are just locked. Does _Unlock help?

yes unlock help…