ORA-04031: unable to allocate 976 bytes of shared memory (“shared pool”,”MGMT_JOB_ENGINESYSMAN”,”sga heap(1,1)”,”library cache”) ORA-06508: PL/SQL: could not find program unit being called: “SYSMAN.MGMT_JOB_ENGINE” ORA-06512: at line 11

hit this error to Upgrading from Oracle database 10gR2(It can happens for 10gR1) 32-bit to 10gR2 64-bit, getting the following errors while running catupgrd.sql script