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Class java.util.Map has generic type parameters, please use GenericTypeIndicator instead
com.google.firebase.database.DatabaseException: Class java.util.Map has generic type parameters, please use GenericTypeIndicator instead	at com.google.android.gms.internal.zzaln.zzb(Unknown Source)	at com.google.android.gms.internal.zzaln.zza(Unknown Source)	at com.google.firebase.database.DataSnapshot.getValue(Unknown Source)	at com.samo.facedatefb.MapsActivity$3.onDataChange(MapsActivity.java:306)	at com.google.android.gms.internal.zzaie.zza(Unknown Source)	at com.google.android.gms.internal.zzaje.zzcta(Unknown Source)	at com.google.android.gms.internal.zzajh$1.run(Unknown Source)	at android.os.Handler.handleCallback(Handler.java:815)	at android.os.Handler.dispatchMessage(Handler.java:104)	at android.os.Looper.loop(Looper.java:194)	at android.app.ActivityThread.main(ActivityThread.java:5549)	at java.lang.reflect.Method.invoke(Native Method)	at java.lang.reflect.Method.invoke(Method.java:372)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:964)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:759)