Hi Brut.all

I was trying to change the DeskClock.apk included in the latest CM, when I try to run apktool b after making my changes I get the following error

Code:
Exception in thread "main" brut.androlib.AndrolibException: brut.androlib.AndrolibException: Could not build apk for dir: /home/anthony/Desktop/DeskClockD/.
	at brut.androlib.Androlib.build(Androlib.java:65)
	at brut.apktool.Main.main(Main.java:42)
Caused by: brut.androlib.AndrolibException: Could not build apk for dir: /home/anthony/Desktop/DeskClockD/.
	at brut.androlib.ApkFile.build(ApkFile.java:135)
	at brut.androlib.ApkFile.build(ApkFile.java:96)
	at brut.androlib.Androlib.build(Androlib.java:60)
	... 1 more
Caused by: brut.androlib.AndrolibException: brut.common.BrutException: could not exec command: [aapt, p, -F, /home/anthony/Desktop/DeskClockD/build/tmp.apk, -I, /home/anthony/android-sdk-linux_86/platforms/android-2.1/android.jar, -M, /h
ome/anthony/Desktop/DeskClockD/./AndroidManifest.xml, -S, /home/anthony/Desktop/DeskClockD/./res]
	at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:131)
	at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:100)
	at brut.androlib.ApkFile.build(ApkFile.java:103)
	... 3 more
Caused by: brut.common.BrutException: could not exec command: [aapt, p, -F, /home/anthony/Desktop/DeskClockD/build/tmp.apk, -I, /home/anthony/android-sdk-linux_86/platforms/android-2.1/android.jar, -M, /home/anthony/Desktop/DeskClockD/./
AndroidManifest.xml, -S, /home/anthony/Desktop/DeskClockD/./res]
	at brut.util.OS.exec(OS.java:52)
	at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:129)
	... 5 more
any ideas? I have aapt install and in the path directory...