--- In firebird-support@yahoogroups.com, "robertgilland"
<robert_gilland@...> wrote:

>
> Trying to drop a table which I created in the same session
> I get the below error.
> What can I Do
>
> - the table is external
> - the table had a stored procedure using it.
> - i have successfully dropped the stored procedure.
>
> ISC ERROR CODE:335544345
>
> ISC ERROR MESSAGE:
> lock conflict on no wait transaction
> unsuccessful metadata update
> object MYTABLE is in use
>

You have a second transaction accessing MyTable.

Adam