Urgent problem

I must lie the service order with the automatic rda....but this not possible in the sistm because the sistem carry out the accont category assignement from table custom where the type of contabilizzazion was wrong for expample 1, 2,, 3, 4, 5. I delete this type and insert the tipe f contabilizzaztion the standard sap...but the outomatic generation of rda from service order is not possible because the sistem give me an error

thenk you very much