java.lang.NullPointerException on getProject method on IssueEdit

[indication]

This may access null field on create issue.

java.lang.NullPointerException
at jp.redmine.redmineclient.fragment.IssueEdit.onRefresh(IssueEdit.java:101)
at jp.redmine.redmineclient.fragment.IssueEdit.onStart(IssueEdit.java:78)
at android.support.v4.app.Fragment.performStart(Fragment.java:1528)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:972)
at android.support.v4.app.FragmentManagerImpl.performPendingDeferredStart(FragmentManager.java:838)
at android.support.v4.app.FragmentManagerImpl.startPendingDeferredFragments(FragmentManager.java:1145)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1501)
at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:482)
at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163)
at android.support.v4.view.ViewPager.populate(ViewPager.java:1073)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:555)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:514)
at android.support.v4.view.ViewPager.setCurrentItem(ViewPager.java:495)
at jp.redmine.redmineclient.activity.TabActivity$2.onTabSelected(TabActivity.java:71)
at com.actionbarsherlock.internal.app.ActionBarWrapper$TabWrapper.onTabSelected(ActionBarWrapper.java:356)
at com.android.internal.app.ActionBarImpl.selectTab(ActionBarImpl.java:605)
at com.android.internal.app.ActionBarImpl$TabImpl.select(ActionBarImpl.java:1133)
at com.android.internal.widget.ScrollingTabContainerView$TabClickListener.onClick(ScrollingTabContainerView.java:546)
at android.view.View.performClick(View.java:4443)
at android.view.View$PerformClick.run(View.java:18476)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5103)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:606)
at dalvik.system.NativeStart.main(Native Method)