ORA-12012: error on auto execute of job "EXFSYS"."RLM$EVTCLEANUP"

Catalog db has an error in alert.log like :

Errors in file /u01/diag/rdbms/rmandb/rmandb/trace/rmandb_j000_25520.trc:
ORA-12012: error on auto execute of job "EXFSYS"."RLM$EVTCLEANUP"
ORA-04068: existing state of packages has been discarded
ORA-04065: not executed, altered or dropped stored procedure "EXFSYS.DBMS_RLMGR_DR"
ORA-06508: PL/SQL: could not find program unit being called: "EXFSYS.DBMS_RLMGR_DR"
ORA-06512: at line 1

check invalid objects and compile it or run utlrp.sql

SQL> select count(*) from dba_objects where status='INVALID';

  COUNT(*)
----------
        0

SQL> @?/rdbms/admin/utlrp.sql

try againg and same error...
and flush shared_pool.

SQL> alter system flush shared_pool;
SQL> alter system flush buffer_cache;

try again and it works.