Dump-Help Plz

Dear all,

I am getting a dump in the transaction J2I6 when i select the radiobutton RG23D and then give the excise group,start date and enddate.When I select the radiobutton Excel Format ,it throws a dump as follows:-

Packed field contains incorrect BCD format.

Error anakysis says that ''An arithmatic operation in the current program J_2IRG23 attemps to process a field of type P that contains an invalid BCD format.

What can i do?plz help