Database Software

I got error in job execution. But it runs fine as standalone procedure. Where could it be wrong?

_>exec dbms_job.run(145373);
BEGIN dbms_job.run(145373); END;

*
ERROR at line 1:
ORA-12011: execution of 1 jobs failed
ORA-06512: at "SYS.DBMS_IJOB", line 481
ORA-06512: at "SYS.DBMS_JOB", line 275
ORA-06512: at line 1

I checked the alert log file

ORA-06550: line 1, column 101:
PLS-00103: Encountered the symbol "RPTIMPORT" when expecting one of the following:

:= . ( @ % ;
Thu May 2 12:59:34 2013
Errors in file /oracle/admin/PDAMLPR1/udump/pdamlpr11_ora_15574.trc:
ORA-12012: error on auto execute of job 146925
ORA-06550: line 1, column 133:
PLS-00103: Encountered the symbol "" when expecting one of the following:

:= . ( @ % ;
The symbol ";" was substituted for "" to continue.


The trace file:

*** ACTION NAME:() 2013-05-02 12:43:48.261
*** MODULE NAME:(SQL*Plus) 2013-05-02 12:43:48.261
*** SERVICE NAME:(SYS$USERS) 2013-05-02 12:43:48.261
*** SESSION ID:(1811.10644) 2013-05-02 12:43:48.261
*** 2013-05-02 12:43:48.261
ORA-12012: error on auto execute of job 145373
ORA-06550: line 1, column 133:
PLS-00103: Encountered the symbol "" when expecting one of the following:
:= . ( @ % ;
The symbol ";" was substituted for "" to continue.
*** ACTION NAME:(********* Schedule Job: Report C) 2013-05-02 12:47:58.178
*** MODULE NAME:(PATIENT_REMEDIATE_JOB) 2013-05-02 12:47:58.178
*** 2013-05-02 12:47:58.178
ORA-12012: error on auto execute of job 145373
ORA-06550: line 1, column 133:
PLS-00103: Encountered the symbol "" when expecting one of the following:
:= . ( @ % ;
The symbol ";" was substituted for "" to continue.
*** 2013-05-02 12:52:43.409
ORA-12012: error on auto execute of job 146924
ORA-06550: line 1, column 101:
PLS-00103: Encountered the symbol "RPTIMPORT" when expecting one of the following:
:= . ( @ % ;
*** 2013-05-02 12:59:34.651
ORA-12012: error on auto execute of job 146925
ORA-06550: line 1, column 133:
PLS-00103: Encountered the symbol "" when expecting one of the following:
:= . ( @ % ;
The symbol ";" was substituted for "" to continue.
~
~
The job was created as the following with 30 min interval:

The job number: 145373

DECLARE
X NUMBER;
BEGIN
SYS.DBMS_JOB.SUBMIT
( job => X
,what => 'RPTIMPORT.pr_exec_pop_ddl21_data_irt'
,next_date => to_date(sysdate)
,interval => '/*30:Mins*/ sysdate + 30/(60*24)'
,no_parse => TRUE
);
SYS.DBMS_OUTPUT.PUT_LINE('Job Number is: ' || to_char(x));
END;
/


Thanks for help!