R42800 is not picking up GL class set under Dmaai 4230 for non stock items

We have set up revenue account number withGL class, doc type , and company under dmaai 4230 for the non stock line type. Non Stock items has been set up under item master with same gl class and line type constant also with same gl class and stocking n line type and inventry interface "N" on running R42800 system is not picking up specific GL, it is taking default **** Gl class for the doc type and company. financials aai also set up and account has also been created under P0901 Then Why system is not picking up specific set up account under 4230 ?