how to enable multitouch keyboard on backflip

[juanzr1]

so i flashed a custom rom on the backflip (preclair 1.6) and it comes with the gingerbread keyboard instead of the stock one that the backflip comes with , i installed the stock multitouch and i go to settings/keyboard and im unable to check it.its greyed out anyone know what can be the problem or how i can fix this i appreciate the help. thats how much i love multitouch its so easy to type on it then te rest of them im currently using htc ime mod.:-\