Why Wont The Ipod Touch Work With The Isymphony Why Wont My New 2nd Gen. Ipod Touch Charge When Its Docked Into My ISymphony (ipod Stereo)?

Why wont my new 2nd gen. ipod touch charge when its docked into my iSymphony (ipod stereo)? - why wont the ipod touch work with the isymphony

I recently received an iPod, and I was iSymphony 2 years. my old nano when used as a filler on the stereo dock. and if I connect it says something like "this feature is not compatible with the load, as if every time you plug it in. please help. iPod is the market?