fragment already added error

By aji

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.innoit.smartparent, PID: 5746
java.lang.IllegalStateException: Fragment already added: ProgressDialogFragment{427cbef8 #2 com.innoit.smartparent.fragments.ProgressDialogFragment}
at android.support.v4.app.FragmentManagerImpl.addFragment(FragmentManager.java:1679)
at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:727)
at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2363)
at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2149)
at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2103)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2013)
at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:710)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)

Source: Stack Overflow

    

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