App crashes when backs from ProfileActivity

[hcbpassos]

If I open my ProfileActivity, then choose a follower/following and tap back twice, returning to MainActivity, app crashes.

java.lang.IllegalStateException: Fragment ProfileFragment{f1e2002} not attached to Activity at android.support.v4.app.Fragment.getResources(Fragment.java:646) at com.enoughspam.step.ui.myprofile.MyProfileAdapter$3.onAnswerRetrieved(MyProfileAdapter.java:113) at com.enoughspam.step.database.dao.wide.UserFollowerDAO$8$1.onObjectRetrieved(UserFollowerDAO.java:405) at com.enoughspam.step.database.dao.wide.UserFollowerDAO$8$1.onObjectRetrieved(UserFollowerDAO.java:401) at com.enoughspam.step.database.dao.wide.UserDAO$4$1.onChildAdded(UserDAO.java:203) at com.google.android.gms.internal.zzdri.zza(Unknown Source) at com.google.android.gms.internal.zzdwu.zzbvb(Unknown Source) at com.google.android.gms.internal.zzdxa.run(Unknown Source) at android.os.Handler.handleCallback(Handler.java:751) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6186) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)