Replication Tool Error

Hello,

I want to perform Asynchronous Multimaster Replication with Oracle 9i R2 on Red Hat Linux 9.For test purpose i created 2 DB on the same system.
I tried with scripts first but got errors(i believe script dont have syntax or logical error) and i tried with GUI Replication Management Tool,Still i am getting the same error...here is the error..

STACK TRACE _____________
ORA-04068 existing state of packages has been discarded
ORA-04063 package boby "SYS.DBMS_DEFER_SYS" has errors
ORA-06508 PL/SQL couldnot find program unit being called
ORA-06512 at line 2

i have executed catrep.sql and i verfied DBA_REPCATALOG with base tables..Can anyone help me...pls

regards,
Cherrish Vaidiyan

From system account,
find out what objects are invalid ...
Try compiling them and
sql> sho error
to find out what their problem is ...

HTH
Gregg

try running catalog and catproc again