java.lang.AssertionError: Assert failed: (activity? activity)

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java.lang.AssertionError: Assert failed: (activity? activity)
at neko.activity$set_content_view_BANG_.invoke(activity.clj:44)
at test.crash.main$MainActivity_onCreate$fn__630$fn__631.invoke(main.clj:11)
at neko.threading$on_ui_STAR_.invoke(threading.clj:54)
at test.crash.main$MainActivity_onCreate$fn__630.invoke(main.clj:8)
at test.crash.main$MainActivity_onCreate.invoke(main.clj:6)
at test.crash.MainActivity.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:4465)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2033)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2104)
at android.app.ActivityThread.access$600(ActivityThread.java:132)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1157)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4575)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)

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