How to Invoke Reports from Oracle Menus

Question

Hi,
Pls. check the code for calling report from menu item.
For my report below I am not passing any parameter just calling a report in the menu item.
When I am calling the report option from the menu it is
Giving error message in the report engine which is
Starting report hdg04103 [Sun Mar 24 14:22:11 2002] ...
REP-0002: Unable to retrieve a string from the Report Builder message file.
REP-1439:
End report hdg04103 [Sun Mar 24 14:22:15 2002].
Pls. Look into the problem and mail me at your earliest.
Declare
t_sttm number(4);
t_edtm number(4);
t_worktime varchar2(4);
pl_id paramlist;
pl_name varchar2(20) := 'tempdata';
Begin
Select sttm,edtm into t_sttm,t_edtm
from rtaad231 where usrid = :global.usrid and cses = 'HDG04103';
     Select to_char(sysdate,'hh24mi') into t_worktime
     from dual;
if to_number(t_worktime) >= t_sttm and to_number(t_worktime) <= (t_edtm - 0015) then
pl_id := get_parameter_list('tempdata');
if not id_null(pl_id) then
destroy_parameter_list(pl_id);
end if;
pl_id := get_parameter_list('tempdata');
if id_null(pl_id) then
pl_id := create_parameter_list('tempdata');
end if;
Run_Product(REPORTS, '\\rcadon\oradata\applive\hedging\reports\hdg04103.rep', SYNCHRONOUS, RUNTIME, FILESYSTEM, pl_id);
else
Message('You are not authorised to use this option at this time');
Message('You are not authorised to use this option at this time');
end if;
Exception
When NO_DATA_FOUND then
     Message('You are not authorised to use this option');
     Raise Form_Trigger_Failure;           
End;
Regards
Saleemuddin.

Answer 1

If you are not passing any parameters, you don't need to pass the parameter string. Replace the pl_id with "null" or use the 2 double quotes to represent the null eg. "" and see if you still get the same error