a little problem with my custom debian cd

hello I'm making my own custom debian cd . I'have choose to change the orignal kernel 2.6 from sarge cd to a 2.6.15 from etch . My cd boot and all seems working fine, but after partitioning the installer failed and i'have this debug message : run_program: exec of program '/lib/udev/volumid' faile

A little problem with my own custom cd of debian

Hello I'am trying to build a debian cdrom with a more young linux 2.6 kernel and my own packages . My problem is when i'm starting to install the system, after that the installer detect the cdrom and the hardware and load all the modules, the installer says that my cdrom isn't a Debian CD . Please