hi
using Standards TCODE:MIRO to create po invoice posting.
when i enter po#, the screen display all item data and the amount and quanity is initial .because this po have done.
so when i save this document , i will get message:
document does not contain any items .
don't save susscessfully.
but BAPI_INCOMINGINVOICE_CREATE create po invoice posting using the same po#, i can't get any error information
and the system will do susscessfully.
how to add check function like MIRO when using BAPI_INCOMINGINVOICE_CREATE to create po invoice posting.
another question:how to find BAPI_INCOMINGINVOICE_CREATE function user-exit.
thank in advance.