How solve this case? I can not load to server.
Checking Google here are a couple of clues. I would say check your log as described by Javelin and see if it give you any additional info. Unfortunately with so little to go on it could be anything.
"Could not access the item in the database" when trying to destroy deleted items
What is going on!? "Could not access Item in the Database" | MySolidWorks
Retrieving data ...