Did any one tried Firebird 2 pre-release with IBO?

I can't connect any DB with IBO (last version), even using IB_SQL,
but I did connect it by using any IBX based (like MDO).

This is the error I get:

SQL ERROR CODE:-904

SQL ERROR MESSAGE:
Unsuccessful execution caused by an unavailable resource.

FB2 used: sourceforge.net/projects/firebirdptbr

Carlos Macao