GplayGames SDKBOX Crash: onSuccess

Platfortm: Android.

We cannot replicate it, happened to users.

Versions:
v2.4.3.3 googleplayservices
v2.4.2.1 sdkboxplay

Stack trace:

at com.google.android.gms.games.SnapshotsClient$DataOrConflict.getData (Unknown Source)
at com.sdkbox.plugin.SdkboxGPGSavedGames$9$1.onSuccess (SdkboxGPGSavedGames.java:541)
at com.sdkbox.plugin.SdkboxGPGSavedGames$9$1.onSuccess (SdkboxGPGSavedGames.java:529)
at com.sdkbox.plugin.SdkboxGPGSavedGames$6.onComplete (SdkboxGPGSavedGames.java:322)
at com.google.android.gms.tasks.zzj.run (Unknown Source)
at android.os.Handler.handleCallback (Handler.java:815)
at android.os.Handler.dispatchMessage (Handler.java:104)
at android.os.Looper.loop (Looper.java:207)
at android.app.ActivityThread.main (ActivityThread.java:5765)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:683)

@yinjimmy can help us with this.