Check if the files in extract-files.sh is present in your device.

If they are, and it still doesn't extract, manually extract them to the folder that the extract-files.sh points to.
Current phone: Sony Xperia SP LTE (C5303), Samsung Galaxy S Advance NFC (GT-I9070P)
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Old phones: Galaxy R, Motorola Defy, Samsung Galaxy Ace, Motorola Backflip

Galaxy Ace newbie guide: http://forum.xda-developers.com/show....php?t=1225493

 
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