fnd_request.submit_request

I want to submit a customized report using fnd_request.submit_request program.Program is working fine but the issue is it is sumbitting same request again after the first one complete though you have sumbiited only once.Any answer

Please see the code

declarev_request_id NUMBER;BEGIN

FND_GLOBAL.APPS_INITIALIZE(3880,50130,201);v_request_id := fnd_request.submit_request(application => 'CCUST',program => 'PO_RFQ',description => 'RFQ Report',start_time => SYSDATE,sub_request => FALSE,argument1 => 21,argument2 => '12',argument3 =>4559,

argument4=> 'Y');COMMIT;

end;

Regards

Shejon