Error compiling

Hello

Recently installed titanium sdk 3.0.0 with 3.0.2, I have installed java 1.6 jdk as android versions that correspond with, but when I compile this error.

[ERROR] Exception occured while building Android project:
[ERROR] Traceback (most recent call last):
[ERROR]   File "C:\Users\Antonio\AppData\Roaming\Titanium\mobilesdk\win32\3.0.2.v20130126230207\android\builder.py", line 2407, in <module>
[ERROR]     builder.build_and_run(True, avd_id, device_args=device_args, debugger_host=debugger_host)
[ERROR]   File "C:\Users\Antonio\AppData\Roaming\Titanium\mobilesdk\win32\3.0.2.v20130126230207\android\builder.py", line 2136, in build_and_run
[ERROR]     self.manifest_changed = self.generate_android_manifest(compiler)
[ERROR]   File "C:\Users\Antonio\AppData\Roaming\Titanium\mobilesdk\win32\3.0.2.v20130126230207\android\builder.py", line 1348, in generate_android_manifest
[ERROR]     '-I', self.android_jar], warning_regex=r'skipping')
[ERROR]   File "C:\Users\Antonio\AppData\Roaming\Titanium\mobilesdk\win32\3.0.2.v20130126230207\android\run.py", line 38, in run
[ERROR]     print "[DEBUG] %s" % subprocess.list2cmdline(args_to_log)
[ERROR]   File "C:\Users\Antonio\AppData\Local\Titanium Studio\plugins\com.appcelerator.titanium.python.win32_1.0.0.1338515509\python\lib\subprocess.py", line 580, in list2cmdline
[ERROR]     needquote = (" " in arg) or ("\t" in arg) or not arg
[ERROR] TypeError: argument of type 'NoneType' is not iterable

I hope you can help me.

regards