Error compile module

[koolll]

Hi I trying to build my project. But after i adding module i get this error.Please help thanks

[ERROR] Failed to compile Java source files:
[ERROR]
[ERROR] D:\Titanium_Studio_Workspace\Button_Merchant\build\appify\build\android
gen\com\button\merchant\Button_merchantActivity.java:5: error: cannot access Tas
kStackBuilder
[ERROR] public final class Button_merchantActivity extends TiRootActivity
[ERROR] ^
[ERROR] class file for android.support.v4.app.TaskStackBuilder not found
[ERROR] D:\Titanium_Studio_Workspace\Button_Merchant\build\appify\build\android
gen\com\button\merchant\Button_merchantApplication.java:229: error: cannot acces
s FragmentActivity
[ERROR] org.appcelerator.titanium.TiVerify verify = new org.appc
elerator.titanium.TiVerify(rootActivity, this);
[ERROR] ^
[ERROR] class file for android.support.v4.app.FragmentActivity not found
[ERROR] Note: D:\Titanium_Studio_Workspace\Button_Merchant\build\appify\build\an
droid\gen\com\button\merchant\AssetCryptImpl.java uses unchecked or unsafe opera
tions.
[ERROR] Note: Recompile with -Xlint:unchecked for details.
[ERROR] 2 errors