Solution : https://service.sap.com/sap/support/notes/97986 (SAP Service marketplace login required)
Key words : 
additional key words euro, transaction sm30 - view v_160mva, customizing view v_160mva, required message category, - transaction se11, variable message, message v4155, -mentioned message, incomplete customizing, solution proceed
Related Notes : 
       
| 74055 | Variable messages: Version maintenance |