Ant build failure

gistfile1.txt

sergio:~/git/Android-App$ ant
Buildfile: /Users/sergio/git/Android-App/build.xml

...bla bla bla...

-set-mode-check:

-set-release-mode:

-release-obfuscation-check:
     [echo] proguard.config is proguard.cfg
     [echo] Proguard.config is enabled

-pre-build:

-check-env:
 [checkenv] Android SDK Tools Revision 22.0.1
 [checkenv] Installed at /Users/sergio/git/Android-App/../../android-sdk

-setup:
     [echo] Project Name: busuu
  [gettype] Project Type: Application

-build-setup:
[getbuildtools] Using latest Build Tools: 17.0.0
     [echo] Resolving Build Target for busuu...
[gettarget] Project Target:   Android 3.2
[gettarget] API level:        13
     [echo] ----------
     [echo] Creating output directories if needed...
     [echo] ----------
     [echo] Resolving Dependencies for busuu...
[dependency] Library dependencies:
[dependency] 
[dependency] ------------------
[dependency] Ordered libraries:
[dependency] 
[dependency] ------------------
[dependency] API<=15: Adding annotations.jar to the classpath.
     [echo] ----------
     [echo] Building Libraries with 'release'...

BUILD FAILED
/Users/sergio/git/Android-App/build.xml:25: The following error occurred while executing this line:
/Users/sergio/android-sdk/tools/ant/build.xml:598: Invalid file: /Users/sergio/git/adeven_adjust_android_sdk/AdjustIo/build.xml