Hi David,
Kindly maintain the below mentioned settings :
> RECACUST
>Accrual /Deferral > Accrual/Deferral Posting > Account Determination > Simple Account Determination > Define Values for Set of rules
>Select RE as application component
> Select accounts
> Choose a line with your values i.e. IAS,I,TRRVCN
> Maintain the desired GL in Target Account , if there is no value in it
Hope it could help you!
Regards,
Siddharth