Dear Bibyendu,
i am not getting clear process which you have written ,
i have changed the option delivery note instead of PO and putted GRN number , showing the error message
Delivery note/service entry sheet 6000015382 does not exist
kindly say the the process step by step ,
but main requirement is put aprox 300 GRN at the time in MIRO against of PO
Regards
akil