Diagnosis
There is no entry in the checkbox for sales and distribution documents.
This means that there is no entry in the interface structure CIF_SL_IXfor the 'GUID for order headers' and for the 'GUID for schedulelines'.
It is controlled in the interface structure CIF_SL_IX (shortdescription: checkbox S-structure for sales and distribution documents(APO -- R/3)) which fields are transferred. This structure alsofacilitates the decision whether a field in the interface structureCIF_SL_I was not transferred, or whether a field is simply initial.