[poky] Need help to build poky image for beagle board

[Sparsh Wid hope]

Hi All,
I'm trying to build poky image for beagle board. I got the following error- FATAL: Error when parsing []: file classes/packaged-staging.bbclass not found in /home/surya/Surya/pro/POKY/meta-texasinstruments:/home/surya/Surya/pro/POKY/meta 
I followed the steps below-
1.Downloaded the source wget -c http://git.pokylinux.org/cgit/cgit.cgi/poky/snapshot/poky-laverne-4.0.1.tar.bz2
and rename it as POKY.2. Get TI's overlay
git clone git://github.com/mrchapp/meta-texasinstruments.git
cd meta-texasinstruments
git checkout -b gitomapzoom --track origin/gitomapzoom

3. Copy configuration
cp -p POKY/meta-texasinstruments/conf/misc/local.conf POKY/build/conf/local.conf

4. Build!
cd POKY
source poky-init-build-envfrom the link http://elinux.org/BeagleBoard/PokyHelp me to solve this error.Thanks in advance          

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