hi !
There a bug in mfd terminal with the plugins kOSPropMonitor. (using rasterprop mfd)
button work, but it's impossible to write something on the screen.

the error:
Exception:MissingMethodException:void
Kos.screen.TermWindows.ProcessOneInputChar(char,kos.UserIO.TelnetSingletonServer,bool).

the log file
KSP.log