Solution : https://service.sap.com/sap/support/notes/305640 (SAP Service marketplace login required)
Key words :
enter message class 1m choose 'change' set, message number 209 choose 'individual maint, additional key words 1m 209, choose 'long text' add, development -> programming environment -> messages, due date- meaning length, maintain message class, prerequisites solution change, current due date -, account master data
Related Notes :
| 211398 | SAP Banking 4.03A Add-On Supp.Pkg SAPKIPBE06 / BF06 |