Solution : https://service.sap.com/sap/support/notes/95440 (SAP Service marketplace login required)
Key words :
reference field rnn002-open_level, case-related service entry, import/export parameter interface, import parameter depth, f4 service search, user parameter vle, additional key words, start transaction se37, enter function module, hierarchy level
Related Notes :
85241 | IS-H:Updated coll. note on important errors in 3.04 |