The messages that are shown in a window have the number 1107, messages, that are displayed in the bottom left corner have the number 1106.
So all you would have to do is:
- open simple_trigger.txt with notepad++
- Ctrl+f to open search. Switch to "Replace" tab.
- In "Find what:" type "1107" (without " ")
- In "Replace with:" type "1106" (without " " )
- Make a tick at "Match Case". (Most important step of all, you do not want to replace in some longer string which just happens to contain 1107 as well!)
- Hit "Replace all"
- Save
- Start warband and play