Error generating process step Call Script VI_UnsAccount_

Hello!

I wrote script for add user to Oracle Database.

I created process (Insert Event to UNSAccountB table) for create the user.

When I create user in Manager, I got error:

Got exception during generation of chain 'VI_UnsAccountB_Generic': Error generating process step Call Script VI_UnsAccount_<Ident_UNSRoot>_<Event>..

Any ideas?