[AC-1443] We have develop a Application and build in titanium 1.7.5 but now we are trying to build in 3.1.0, during build 3.1.0 we are geting error given bellow ib description section

Please give quick response [ INFO] : Running emulator process: python "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/builder.py" "emulator" "PopSip" "/Users/praveen/Desktop/android-sdk-macosx" "/Users/praveen/FTI Builds/PopSip/20-03-2014/PopSipAndroidPhone" "com.ftigroups.PopSipPhone" "1" "QVGA" "mips" [INFO] : Running build process: python "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/builder.py" "simulator" "PopSip" "/Users/praveen/Desktop/android-sdk-macosx" "/Users/praveen/FTI Builds/PopSip/20-03-2014/PopSipAndroidPhone" "com.ftigroups.PopSipPhone" "1" "QVGA" [DEBUG] : No project level plugins to load [DEBUG] : Loaded plugin hooks: [DEBUG] : /Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/cli/hooks/plugins.js [DEBUG] : /Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/cli/hooks/install.js [DEBUG] : /Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/cli/hooks/run.js [INFO] logfile = /Users/praveen/FTI Builds/PopSip/20-03-2014/PopSipAndroidPhone/build.log [DEBUG] /Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/builder.py simulator PopSip /Users/praveen/Desktop/android-sdk-macosx /Users/praveen/FTI Builds/PopSip/20-03-2014/PopSipAndroidPhone com.ftigroups.PopSipPhone 1 QVGA Traceback (most recent call last): File "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/builder.py", line 2473, in builder = Builder(project_name,sdk_dir,project_dir,template_dir,app_id,is_emulator) File "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/builder.py", line 385, in __init__ self.sdk = AndroidSDK(sdk, self.tool_api_level) File "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/androidsdk.py", line 49, in __init__ self.set_api_level(api_level) File "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/androidsdk.py", line 53, in set_api_level self.find_platform_dir() File "/Library/Application Support/Titanium/mobilesdk/osx/3.1.0.GA/android/androidsdk.py", line 131, in find_platform_dir raise Exception("No \"%s\" or \"%s\" in the Android SDK" % ('android-%s' % api_level, android_api_levels[api_level])) Exception: No "android-9" or "android-2.3" in the Android SDK [ERROR] : Build process exited with code 1 [ERROR] : Project failed to build after 1s 941ms