I am receiving this error when i tried to connect to the new user.
the whole error is that
Error accessing PRODUCT_USER_PROFILE
Warning: Product user profile information not loaded!
You may need to run PUPBLD.SQL as SYSTEM
is it necessary to run the pupbld.sql or i can live without it and also can i run it later on at anytime after loading the data.

it is urgent

UKDBA