Solution : https://service.sap.com/sap/support/notes/1490771 (SAP Service marketplace login required)
Key words :
include lk40cf0t due, transaction se18 enter, relevant support package, classic badi ext_valuation_iaa, optional parameter t_messages, support package, t_messages type, parameter messages, solution provided, terms saplk40c
Related Notes :
1299563 | BAdI EXT_VALUATION_IAA: Table t_mesg not filled |