Hi All,
I am trying to install all the sample schemas provided by Oracle.
Everything gets installed fine but only the rows in sh.costs table is not getting inserted.
The error in the log file says:

Edit 2: I got the above error when I ran the @mksample script while keeping teh sh connection open in SQL Developer. When I closed all connections and ran the script again, I got the following error:

Please help! I need this table for usage.
Thanks in advance
-Apoorva