Obsolete order deletion in MD04 that is not existing

Dear All,

We have a situation where a obsolete order is seen in MD04 (DepReq on a past date). We need to remove this.  But when we goto details of the order from MD04 (lens icon in the table column and edit / display), system throws back error message - "Order XXX doesnot exist"

Hence need expert opinion to remove this entry in MD04 - are there any DB tables that can be referred to delete or any other report/FM to delete this non-existing order from MD04.

Regards,

Guru