java.lang.NullPointerException

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    • java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.gson.JsonObject.toString()' on a null object reference at campus.app.com.newline.campusmobapp.StudentsProfile$1.onCompleted(StudentsProfile.java:58) at campus.app.com.newline.campusmobapp.StudentsProfile$1.onCompleted(StudentsProfile.java:51) at com.koushikdutta.async.future.SimpleFuture.handleCallbackUnlocked(SimpleFuture.java:107) at com.koushikdutta.async.future.SimpleFuture.setComplete(SimpleFuture.java:141) at com.koushikdutta.async.future.SimpleFuture.setComplete(SimpleFuture.java:124) at com.koushikdutta.ion.IonRequestBuilder$1.run(IonRequestBuilder.java:244) at com.koushikdutta.async.AsyncServer$RunnableWrapper.run(AsyncServer.java:60) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:211) at android.app.ActivityThread.main(ActivityThread.java:5389) 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:1020) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815)
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