when I demolished a window or door a problem dedicate server

hello all sorry for my English I speak french translation google
when I demolished a window or door a problem
When I sign on my server and reconnect the old door and window of his back problem I have always repeats itself includes the captured screen
c for instant Only with door and window and no stone problem to demolish and start again

I'm on a dedicate server my config

1 picture bug http://www.mediafire.com/view/…15-01-20_04-37-55-108.png

2 picture bug http://www.mediafire.com/view/…15-01-20_04-37-38-311.png
3 picture bug http://www.mediafire.com/view/…15-01-20_04-40-01-919.png

http://www.mediafire.com/view/…15-01-20_04-40-01-919.png

dedicate server stone block is not doing problem
i even destroyed three times the door and when I reconnect the three used one after the other are

the last picture i demolished three door and replaced by block and door are returned as picture you may see one sees behind the block