>May be there are some test tables in that database.
>
>The simple way to check if the problem is in the table names
>

>select Table_Name from Information_Schema.Columns -- for this database

>
>see if there is something odd here
>
>Then check the same for constraints.

Yes, I was able to simulate it on a table name which is a reserved name on the test server. Then, with the [] characters, it worked.