ttds pokemon black 2 wont open

i just downloaded pokemon black 2 and when i try to open it it says

(rom loading failed) load rom errcode=-4 please reset system.

the only thing that you should know is that i am using an old silver ds since my ds broke and my dsi cant use the ttds.please HELP

Download RGF's latest YSMenu.
You can grab that in this board.