java.lang.NullPointerException: GoogleApiClient must not be null at e7.r.l(Unknown Source:9) at com.google.android.gms.common.api.internal.b.(Unknown Source:2) at d8.f$a.(Unknown Source:2) at x7.d0.(Unknown Source:5) at x7.c0.a(Unknown Source:3) at com.entitcs.office_attendance.CRM.CRM_Update_Customer$b.onClick(Unknown Source:60) at android.view.View.performClick(View.java:6312) at android.view.View$PerformClick.run(View.java:24943) at android.os.Handler.handleCallback(Handler.java:790) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:192) at android.app.ActivityThread.main(ActivityThread.java:6754) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:549) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:828)