SQL> CREATE MATERIALIZED VIEW user1.t1_mv
  2  TABLESPACE user1d01
  3  BUILD DEFERRED
  4  REFRESH FAST START WITH (SYSDATE) NEXT (TRUNC(SYSDATE) + 1) + 6 / 24 WITH ROWID
  5  DISABLE QUERY REWRITE
  6  AS SELECT * FROM user1.t1;
AS SELECT * FROM user1.t1
                     *
ERROR at line 6:
ORA-01031: insufficient privileges

SQL> create materialized view user1.t1_mv
  2  as select * from dual;
as select * from dual
                 *
ERROR at line 2:
ORA-01031: insufficient privileges


SQL>

exec dbms_job.run(2);
BEGIN dbms_job.run(2); END;

*
ERROR at line 1:
ORA-23421: job number 2 is not a job in the job queue
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.DBMS_IJOB", line 972
ORA-06512: at "SYS.DBMS_JOB", line 366
ORA-06512: at line 1

SQL> select * from v$version;

BANNER                                                                               CON_ID
-------------------------------------------------------------------------------- ----------
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production              0
PL/SQL Release 12.2.0.1.0 - Production                                                    0
CORE    12.2.0.1.0      Production                                                                0
TNS for Linux: Version 12.2.0.1.0 - Production                                            0
NLSRTL Version 12.2.0.1.0 - Production                                                    0

SQL>