java.lang.IncompatibleClassChangeError: Superclass rx.Observable of rx.subjects.Subject is declared final (declaration of 'rx.subjects.Subject' appears in /data/app/com.koklass.order-LGXhpHNLtt9lt3Q3J7CUQw==/base.apk:classes7.dex)
at khalti.checkOut.d.(Unknown Source:14)
at khalti.checkOut.CheckOutActivity.onCreate(Unknown Source:110)
at android.app.Activity.performCreate(Activity.java:7003)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1230)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2899)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3046)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1688)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6798)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
java.lang.IncompatibleClassChangeError: Superclass rx.Observable of rx.subjects.Subject is declared final (declaration of 'rx.subjects.Subject' appears in /data/app/com.koklass.order-LGXhpHNLtt9lt3Q3J7CUQw==/base.apk:classes7.dex) at khalti.checkOut.d.(Unknown Source:14)
at khalti.checkOut.CheckOutActivity.onCreate(Unknown Source:110)
at android.app.Activity.performCreate(Activity.java:7003)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1230)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2899)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3046)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1688)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6798)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)