Root Issues after installing cynagenmod

[ravikumar_sri]

xperts,
I recently bought nexus one. Today I unlocked the boot loader and rooted phone. After that I have installed Cynagenmod-7.0.3-n1 in my nexus one mobile.

I am facing few issues listed below.
1. If I select "phone ringtone", it displays the below error message
"the application settings(process.com.android.settings" has stopped unexpectedly
2. If I select camera, it throws below error messages
"The application camera (process.com.android.camera) has stopped unexpectedly
3. If I select "google Maps" application, it never locates my current location. I properly turnted on GPS and wirless. And I made sure that wifi is working

I tried re booting the phone serveral times. But all the above issues keep on coming.

Could you please help ?

Thanks,
Ravikumar.