2.Connect localhost (create database xx and table a,b)
3.cubrid server stop xx
4.Open a query editor
5.Drap table a to the query editor
6.In the first window click "no" and click "ok" in the second error window.
7.Drap table b to the query editor again.
An error has occurred. See error log for more details.
p.s. if you cannot repro ,please try step5-7 for several times.