Serious system errors : diablo2 classic

dear classic team
This is a bug report of the current classic Asia standard server.

Upgrading old version duped items to higher ones, the room disappears with the message “Connection has been lost”.
At the same time. all rooms with same ip addresses will disappear instantly together.
original standard, expansion standard,
Hardcore Original Standard, Hardcore expansion Standard
The same symptoms appear in the same IP room, no matter what.
(The room disappears momentarily)

After that, the character becomes unplayable for 10 minutes and this make me uncomfortable.

The most important problem is that some users intentionally do this using this method.

So I hope you can fix this bug quickly.

In the end, the queue popped out when trying to create a room. This problem is still on the Asia standard servers even though I have been waiting for several hours.
“You are in line to create a game”
This phenomenon has been continued since last night so it prevent most of users from playing game today.

habitual and intentional use of bugs
It seems that the server eventually has a problem.
I firmly believe that you are already aware of it. And it would be highly appreciated to check this issue as soon as possible.

Thanks
Best Regards,